42660604 has 24 divisors (see below), whose sum is σ = 85597568. Its totient is φ = 18223920.

The previous prime is 42660571. The next prime is 42660641. The reversal of 42660604 is 40606624.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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, 6967 + ... + 11569.

Almost surely, 2^42660604 is an apocalyptic number.

It is an amenable number.

42660604 is an abundant number, since it is smaller than the sum of its proper divisors (42936964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42660604 is a wasteful number, since it uses less digits than its factorization.

42660604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 42660604 is about 6531.5085546909. The cubic root of 42660604 is about 349.4156344007.

It can be divided in two parts, 42660 and 604, that added together give a square (43264 = 208²).

The spelling of 42660604 in words is "forty-two million, six hundred sixty thousand, six hundred four".