42310906 has 32 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 18374400.

The previous prime is 42310901. The next prime is 42310927. The reversal of 42310906 is 60901324.

It is not an unprimeable number, because it can be changed into a prime (42310901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47586 + ... + 48466.

It is an arithmetic number, because the mean of its divisors is an integer number (2262330).

Almost surely, 2^42310906 is an apocalyptic number.

42310906 is a deficient number, since it is larger than the sum of its proper divisors (30083654).

42310906 is a wasteful number, since it uses less digits than its factorization.

42310906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 42310906 is about 6504.6833896816. The cubic root of 42310906 is about 348.4582690711.

The spelling of 42310906 in words is "forty-two million, three hundred ten thousand, nine hundred six".