31460742 has 24 divisors (see below), whose sum is σ = 68565744. Its totient is φ = 10425264.

The previous prime is 31460729. The next prime is 31460743. The reversal of 31460742 is 24706413.

31460742 is a `hidden beast` number, since 3 + 14 + 607 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31460743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1938 + ... + 8165.

It is an arithmetic number, because the mean of its divisors is an integer number (2856906).

Almost surely, 2^31460742 is an apocalyptic number.

31460742 is an abundant number, since it is smaller than the sum of its proper divisors (37105002).

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

31460742 is a wasteful number, since it uses less digits than its factorization.

31460742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10284 (or 10281 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 31460742 is about 5608.9876091858. The cubic root of 31460742 is about 315.6867255287.

The spelling of 31460742 in words is "thirty-one million, four hundred sixty thousand, seven hundred forty-two".