42358724 has 12 divisors (see below), whose sum is σ = 74260284. Its totient is φ = 21141504.

The previous prime is 42358711. The next prime is 42358753. The reversal of 42358724 is 42785324.

It can be written as a sum of positive squares in 2 ways, for example, as 22733824 + 19624900 = 4768^2 + 4430^2 .

It is a super-2 number, since 2×42358724² = 3588522997816352, which contains 22 as substring.

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, 6869 + ... + 11484.

It is an arithmetic number, because the mean of its divisors is an integer number (6188357).

Almost surely, 2^42358724 is an apocalyptic number.

It is an amenable number.

42358724 is a deficient number, since it is larger than the sum of its proper divisors (31901560).

42358724 is a wasteful number, since it uses less digits than its factorization.

42358724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18934 (or 18932 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 42358724 is about 6508.3580110501. The cubic root of 42358724 is about 348.5894905922.

The spelling of 42358724 in words is "forty-two million, three hundred fifty-eight thousand, seven hundred twenty-four".