45724372 has 12 divisors (see below), whose sum is σ = 81527796. Its totient is φ = 22430720.

The previous prime is 45724309. The next prime is 45724379. The reversal of 45724372 is 27342754.

It can be written as a sum of positive squares in 2 ways, for example, as 23483716 + 22240656 = 4846^2 + 4716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45724379) 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, 107629 + ... + 108052.

It is an arithmetic number, because the mean of its divisors is an integer number (6793983).

Almost surely, 2^45724372 is an apocalyptic number.

It is an amenable number.

45724372 is a deficient number, since it is larger than the sum of its proper divisors (35803424).

45724372 is a wasteful number, since it uses less digits than its factorization.

45724372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215738 (or 215736 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 45724372 is about 6761.9798875773. The cubic root of 45724372 is about 357.5877092570.

The spelling of 45724372 in words is "forty-five million, seven hundred twenty-four thousand, three hundred seventy-two".