45730472 has 8 divisors (see below), whose sum is σ = 85744650. Its totient is φ = 22865232.

The previous prime is 45730471. The next prime is 45730507. The reversal of 45730472 is 27403754.

45730472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 42954916 + 2775556 = 6554^2 + 1666^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45730471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2858147 + ... + 2858162.

Almost surely, 2^45730472 is an apocalyptic number.

It is an amenable number.

45730472 is a deficient number, since it is larger than the sum of its proper divisors (40014178).

45730472 is a wasteful number, since it uses less digits than its factorization.

45730472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716315 (or 5716311 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 45730472 is about 6762.4309238616. The cubic root of 45730472 is about 357.6036102447.

The spelling of 45730472 in words is "forty-five million, seven hundred thirty thousand, four hundred seventy-two".