45972904 has 8 divisors (see below), whose sum is σ = 86199210. Its totient is φ = 22986448.

The previous prime is 45972893. The next prime is 45972911. The reversal of 45972904 is 40927954.

It can be written as a sum of positive squares in only one way, i.e., 25704900 + 20268004 = 5070^2 + 4502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×45972904² = 4227015804386432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2873299 + ... + 2873314.

Almost surely, 2^45972904 is an apocalyptic number.

It is an amenable number.

45972904 is a deficient number, since it is larger than the sum of its proper divisors (40226306).

45972904 is a wasteful number, since it uses less digits than its factorization.

45972904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746619 (or 5746615 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 45972904 is about 6780.3321452566. The cubic root of 45972904 is about 358.2344209175.

The spelling of 45972904 in words is "forty-five million, nine hundred seventy-two thousand, nine hundred four".