45738772 has 12 divisors (see below), whose sum is σ = 84751380. Its totient is φ = 21524096.

The previous prime is 45738769. The next prime is 45738793. The reversal of 45738772 is 27783754.

It can be written as a sum of positive squares in 2 ways, for example, as 19483396 + 26255376 = 4414^2 + 5124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336247 + ... + 336382.

It is an arithmetic number, because the mean of its divisors is an integer number (7062615).

Almost surely, 2^45738772 is an apocalyptic number.

It is an amenable number.

45738772 is a deficient number, since it is larger than the sum of its proper divisors (39012608).

45738772 is a wasteful number, since it uses less digits than its factorization.

45738772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672650 (or 672648 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 45738772 is about 6763.0445806604. The cubic root of 45738772 is about 357.6252437441.

The spelling of 45738772 in words is "forty-five million, seven hundred thirty-eight thousand, seven hundred seventy-two".