42674931 has 64 divisors (see below), whose sum is σ = 73472000. Its totient is φ = 24564384.

The previous prime is 42674909. The next prime is 42674977. The reversal of 42674931 is 13947624.

It is not a de Polignac number, because 42674931 - 2⁵ = 42674899 is a prime.

It is a super-2 number, since 2×42674931² = 3642299471709522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42674531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 540150 + ... + 540228.

It is an arithmetic number, because the mean of its divisors is an integer number (1148000).

It is a vampire number, since it can be written as 4617 ⋅ 9243 (with its own digits).

Almost surely, 2^42674931 is an apocalyptic number.

42674931 is a deficient number, since it is larger than the sum of its proper divisors (30797069).

42674931 is an equidigital number, since it uses as much as digits as its factorization.

42674931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 114 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 42674931 is about 6532.6052230332. The cubic root of 42674931 is about 349.4547455635.

It can be divided in two parts, 426 and 74931, that added together give a palindrome (75357).

The spelling of 42674931 in words is "forty-two million, six hundred seventy-four thousand, nine hundred thirty-one".