42631532 has 6 divisors (see below), whose sum is σ = 74605188. Its totient is φ = 21315764.

The previous prime is 42631531. The next prime is 42631583. The reversal of 42631532 is 23513624.

It is not an unprimeable number, because it can be changed into a prime (42631531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5328938 + ... + 5328945.

It is an arithmetic number, because the mean of its divisors is an integer number (12434198).

Almost surely, 2^42631532 is an apocalyptic number.

It is an amenable number.

42631532 is a deficient number, since it is larger than the sum of its proper divisors (31973656).

42631532 is a wasteful number, since it uses less digits than its factorization.

42631532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10657887 (or 10657885 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 42631532 is about 6529.2826558513. The cubic root of 42631532 is about 349.3362440596.

The spelling of 42631532 in words is "forty-two million, six hundred thirty-one thousand, five hundred thirty-two".