42634624 has 32 divisors (see below), whose sum is σ = 85251600. Its totient is φ = 21238272.

The previous prime is 42634621. The next prime is 42634637. The reversal of 42634624 is 42643624.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×42634624² = 3635422327242752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42634621) 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, 50397 + ... + 51235.

Almost surely, 2^42634624 is an apocalyptic number.

It is an amenable number.

42634624 is a deficient number, since it is larger than the sum of its proper divisors (42616976).

42634624 is an equidigital number, since it uses as much as digits as its factorization.

42634624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 1238 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

The square root of 42634624 is about 6529.5194310148. The cubic root of 42634624 is about 349.3446894637.

The spelling of 42634624 in words is "forty-two million, six hundred thirty-four thousand, six hundred twenty-four".