30973952 has 56 divisors (see below), whose sum is σ = 65532000. Its totient is φ = 14598144.

The previous prime is 30973931. The next prime is 30973961. The reversal of 30973952 is 25937903.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155549 + ... + 155747.

Almost surely, 2^30973952 is an apocalyptic number.

30973952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30973952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32766000).

30973952 is an abundant number, since it is smaller than the sum of its proper divisors (34558048).

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

30973952 is an equidigital number, since it uses as much as digits as its factorization.

30973952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 30973952 is about 5565.4246917913. The cubic root of 30973952 is about 314.0500549032.

The spelling of 30973952 in words is "thirty million, nine hundred seventy-three thousand, nine hundred fifty-two".