7637212980 has 144 divisors (see below), whose sum is σ = 24363690624. Its totient is φ = 2007815040.

The previous prime is 7637212949. The next prime is 7637213009. The reversal of 7637212980 is 892127367.

7637212980 is a `hidden beast` number, since 7 + 637 + 2 + 1 + 2 + 9 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 333994 + ... + 356126.

It is an arithmetic number, because the mean of its divisors is an integer number (169192296).

Almost surely, 2^7637212980 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 7637212980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12181845312).

7637212980 is an abundant number, since it is smaller than the sum of its proper divisors (16726477644).

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

7637212980 is a wasteful number, since it uses less digits than its factorization.

7637212980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22228 (or 22214 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 7637212980 is about 87391.1493230293. The cubic root of 7637212980 is about 1969.2988804293.

The spelling of 7637212980 in words is "seven billion, six hundred thirty-seven million, two hundred twelve thousand, nine hundred eighty".