42732408 has 16 divisors (see below), whose sum is σ = 106831080. Its totient is φ = 14244128.

The previous prime is 42732397. The next prime is 42732421. The reversal of 42732408 is 80423724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890235 + ... + 890282.

Almost surely, 2^42732408 is an apocalyptic number.

It is an amenable number.

42732408 is an abundant number, since it is smaller than the sum of its proper divisors (64098672).

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

42732408 is a wasteful number, since it uses less digits than its factorization.

42732408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780526 (or 1780522 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 42732408 is about 6537.0029830191. The cubic root of 42732408 is about 349.6115636235.

The spelling of 42732408 in words is "forty-two million, seven hundred thirty-two thousand, four hundred eight".