45728570 has 16 divisors (see below), whose sum is σ = 82453248. Its totient is φ = 18259920.

The previous prime is 45728569. The next prime is 45728591. The reversal of 45728570 is 7582754.

It is a super-2 number, since 2×45728570² = 4182204228489800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687 + ... + 9933.

It is an arithmetic number, because the mean of its divisors is an integer number (5153328).

Almost surely, 2^45728570 is an apocalyptic number.

45728570 is a deficient number, since it is larger than the sum of its proper divisors (36724678).

45728570 is a wasteful number, since it uses less digits than its factorization.

45728570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 45728570 is about 6762.2902924971. The cubic root of 45728570 is about 357.5986524163.

The spelling of 45728570 in words is "forty-five million, seven hundred twenty-eight thousand, five hundred seventy".