45726172 has 12 divisors (see below), whose sum is σ = 80229240. Its totient is φ = 22803536.

The previous prime is 45726169. The next prime is 45726173. The reversal of 45726172 is 27162754.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45726173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13138 + ... + 16249.

It is an arithmetic number, because the mean of its divisors is an integer number (6685770).

Almost surely, 2^45726172 is an apocalyptic number.

It is an amenable number.

45726172 is a deficient number, since it is larger than the sum of its proper divisors (34503068).

45726172 is a wasteful number, since it uses less digits than its factorization.

45726172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29780 (or 29778 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 45726172 is about 6762.1129833803. The cubic root of 45726172 is about 357.5924014988.

The spelling of 45726172 in words is "forty-five million, seven hundred twenty-six thousand, one hundred seventy-two".