7972628 has 24 divisors (see below), whose sum is σ = 15328320. Its totient is φ = 3611520.

The previous prime is 7972621. The next prime is 7972633. The reversal of 7972628 is 8262797.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7972621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (638680).

Almost surely, 2^7972628 is an apocalyptic number.

It is an amenable number.

7972628 is a deficient number, since it is larger than the sum of its proper divisors (7355692).

7972628 is a wasteful number, since it uses less digits than its factorization.

7972628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4605 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 7972628 is about 2823.5842470165. The cubic root of 7972628 is about 199.7716393563.

The spelling of 7972628 in words is "seven million, nine hundred seventy-two thousand, six hundred twenty-eight".