45657672 has 16 divisors (see below), whose sum is σ = 114144240. Its totient is φ = 15219216.

The previous prime is 45657671. The next prime is 45657673. The reversal of 45657672 is 27675654.

It is an interprime number because it is at equal distance from previous prime (45657671) and next prime (45657673).

It is not an unprimeable number, because it can be changed into a prime (45657671) 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, 951178 + ... + 951225.

It is an arithmetic number, because the mean of its divisors is an integer number (7134015).

Almost surely, 2^45657672 is an apocalyptic number.

It is an amenable number.

45657672 is an abundant number, since it is smaller than the sum of its proper divisors (68486568).

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

45657672 is a wasteful number, since it uses less digits than its factorization.

45657672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902412 (or 1902408 counting only the distinct ones).

The product of its digits is 352800, while the sum is 42.

The square root of 45657672 is about 6757.0461001831. The cubic root of 45657672 is about 357.4137487330.

The spelling of 45657672 in words is "forty-five million, six hundred fifty-seven thousand, six hundred seventy-two".