42665304 has 32 divisors (see below), whose sum is σ = 116360640. Its totient is φ = 12928800.

The previous prime is 42665281. The next prime is 42665309. The reversal of 42665304 is 40356624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42665309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80542 + ... + 81069.

It is an arithmetic number, because the mean of its divisors is an integer number (3636270).

Almost surely, 2^42665304 is an apocalyptic number.

42665304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42665304 is an abundant number, since it is smaller than the sum of its proper divisors (73695336).

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

42665304 is a wasteful number, since it uses less digits than its factorization.

42665304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161631 (or 161627 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 42665304 is about 6531.8683391508. The cubic root of 42665304 is about 349.4284658581.

The spelling of 42665304 in words is "forty-two million, six hundred sixty-five thousand, three hundred four".