31264752 has 40 divisors (see below), whose sum is σ = 81579600. Its totient is φ = 10316800.

The previous prime is 31264711. The next prime is 31264763. The reversal of 31264752 is 25746213.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1624 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (2039490).

Almost surely, 2^31264752 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 31264752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40789800).

31264752 is an abundant number, since it is smaller than the sum of its proper divisors (50314848).

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

31264752 is a wasteful number, since it uses less digits than its factorization.

31264752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561 (or 6555 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 31264752 is about 5591.4892470611. The cubic root of 31264752 is about 315.0298182909.

The spelling of 31264752 in words is "thirty-one million, two hundred sixty-four thousand, seven hundred fifty-two".