7321150980 has 720 divisors, whose sum is σ = 28955813040. Its totient is φ = 1541928960.

The previous prime is 7321150973. The next prime is 7321150987. The reversal of 7321150980 is 890511237.

7321150980 is a `hidden beast` number, since 73 + 2 + 1 + 1 + 509 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (7321150973) and next prime (7321150987).

It can be written as a sum of positive squares in 8 ways, for example, as 4505362884 + 2815788096 = 67122^2 + 53064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7321150987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 430655932 + ... + 430655948.

It is an arithmetic number, because the mean of its divisors is an integer number (40216407).

Almost surely, 2^7321150980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7321150980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14477906520).

7321150980 is an abundant number, since it is smaller than the sum of its proper divisors (21634662060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7321150980 is a wasteful number, since it uses less digits than its factorization.

7321150980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 7321150980 is about 85563.7246734853. The cubic root of 7321150980 is about 1941.7491380993.

The spelling of 7321150980 in words is "seven billion, three hundred twenty-one million, one hundred fifty thousand, nine hundred eighty".