7930370628 has 18 divisors (see below), whose sum is σ = 20046214734. Its totient is φ = 2643456864.

The previous prime is 7930370603. The next prime is 7930370633. The reversal of 7930370628 is 8260730397.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4038856704 + 3891513924 = 63552^2 + 62382^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×7930370628² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110144001 + ... + 110144072.

Almost surely, 2^7930370628 is an apocalyptic number.

It is an amenable number.

7930370628 is an abundant number, since it is smaller than the sum of its proper divisors (12115844106).

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

7930370628 is a wasteful number, since it uses less digits than its factorization.

7930370628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220288083 (or 220288078 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 7930370628 is about 89052.6284171332. The cubic root of 7930370628 is about 1994.1806362589.

The spelling of 7930370628 in words is "seven billion, nine hundred thirty million, three hundred seventy thousand, six hundred twenty-eight".