45072772 has 12 divisors (see below), whose sum is σ = 80712016. Its totient is φ = 22012200.

The previous prime is 45072761. The next prime is 45072773. The reversal of 45072772 is 27727054.

It is not an unprimeable number, because it can be changed into a prime (45072773) 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, 130854 + ... + 131197.

Almost surely, 2^45072772 is an apocalyptic number.

It is an amenable number.

45072772 is a deficient number, since it is larger than the sum of its proper divisors (35639244).

45072772 is a wasteful number, since it uses less digits than its factorization.

45072772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262098 (or 262096 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 45072772 is about 6713.6258459941. The cubic root of 45072772 is about 355.8809621789.

The spelling of 45072772 in words is "forty-five million, seventy-two thousand, seven hundred seventy-two".