31364704 has 72 divisors (see below), whose sum is σ = 72997848. Its totient is φ = 13224960.

The previous prime is 31364701. The next prime is 31364717. The reversal of 31364704 is 40746313.

It is a Harshad number since it is a multiple of its sum of digits (28).

31364704 is a modest number, since divided by 4704 gives 3136 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31364701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130024 + ... + 130264.

It is an arithmetic number, because the mean of its divisors is an integer number (1013859).

Almost surely, 2^31364704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31364704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36498924).

31364704 is an abundant number, since it is smaller than the sum of its proper divisors (41633144).

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

31364704 is a wasteful number, since it uses less digits than its factorization.

31364704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 31364704 is about 5600.4199842512. The cubic root of 31364704 is about 315.3651732062.

The spelling of 31364704 in words is "thirty-one million, three hundred sixty-four thousand, seven hundred four".