42604724 has 6 divisors (see below), whose sum is σ = 74558274. Its totient is φ = 21302360.

The previous prime is 42604693. The next prime is 42604747. The reversal of 42604724 is 42740624.

It can be written as a sum of positive squares in only one way, i.e., 27144100 + 15460624 = 5210^2 + 3932^2 .

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, 5325587 + ... + 5325594.

It is an arithmetic number, because the mean of its divisors is an integer number (12426379).

Almost surely, 2^42604724 is an apocalyptic number.

It is an amenable number.

42604724 is a deficient number, since it is larger than the sum of its proper divisors (31953550).

42604724 is a wasteful number, since it uses less digits than its factorization.

42604724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10651185 (or 10651183 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 42604724 is about 6527.2294275596. The cubic root of 42604724 is about 349.2630042980.

The spelling of 42604724 in words is "forty-two million, six hundred four thousand, seven hundred twenty-four".