7275994880 has 144 divisors (see below), whose sum is σ = 21729060864. Its totient is φ = 2267811840.

The previous prime is 7275994877. The next prime is 7275994889. The reversal of 7275994880 is 884995727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275994889) 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 15 ways as a sum of consecutive naturals, for example, 61649 + ... + 135471.

It is an arithmetic number, because the mean of its divisors is an integer number (150896256).

Almost surely, 2^7275994880 is an apocalyptic number.

7275994880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7275994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10864530432).

7275994880 is an abundant number, since it is smaller than the sum of its proper divisors (14453065984).

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

7275994880 is a wasteful number, since it uses less digits than its factorization.

7275994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73862 (or 73848 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 59.

The square root of 7275994880 is about 85299.4424366303. The cubic root of 7275994880 is about 1937.7487329921.

The spelling of 7275994880 in words is "seven billion, two hundred seventy-five million, nine hundred ninety-four thousand, eight hundred eighty".