42920908 has 6 divisors (see below), whose sum is σ = 75111596. Its totient is φ = 21460452.

The previous prime is 42920897. The next prime is 42920909. The reversal of 42920908 is 80902924.

It is not an unprimeable number, because it can be changed into a prime (42920909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5365110 + ... + 5365117.

Almost surely, 2^42920908 is an apocalyptic number.

It is an amenable number.

42920908 is a deficient number, since it is larger than the sum of its proper divisors (32190688).

42920908 is a wasteful number, since it uses less digits than its factorization.

42920908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730231 (or 10730229 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 42920908 is about 6551.4050401422. The cubic root of 42920908 is about 350.1248751689.

The spelling of 42920908 in words is "forty-two million, nine hundred twenty thousand, nine hundred eight".