42604624 has 10 divisors (see below), whose sum is σ = 82546490. Its totient is φ = 21302304.

The previous prime is 42604609. The next prime is 42604637. The reversal of 42604624 is 42640624.

It can be written as a sum of positive squares in only one way, i.e., 40449600 + 2155024 = 6360^2 + 1468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42604592 and 42604601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331379 + ... + 1331410.

It is an arithmetic number, because the mean of its divisors is an integer number (8254649).

Almost surely, 2^42604624 is an apocalyptic number.

It is an amenable number.

42604624 is a deficient number, since it is larger than the sum of its proper divisors (39941866).

42604624 is a wasteful number, since it uses less digits than its factorization.

42604624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662797 (or 2662791 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 42604624 is about 6527.2217673372. The cubic root of 42604624 is about 349.2627310393.

The spelling of 42604624 in words is "forty-two million, six hundred four thousand, six hundred twenty-four".