45972636 has 24 divisors (see below), whose sum is σ = 107627520. Its totient is φ = 15273072.

The previous prime is 45972631. The next prime is 45972649. The reversal of 45972636 is 63627954.

It is a super-2 number, since 2×45972636² = 4226966521576992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45972631) 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, 2556 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (4484480).

Almost surely, 2^45972636 is an apocalyptic number.

It is an amenable number.

45972636 is an abundant number, since it is smaller than the sum of its proper divisors (61654884).

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

45972636 is a wasteful number, since it uses less digits than its factorization.

45972636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793 (or 12791 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 45972636 is about 6780.3123821842. The cubic root of 45972636 is about 358.2337248045.

The spelling of 45972636 in words is "forty-five million, nine hundred seventy-two thousand, six hundred thirty-six".