30726952 has 32 divisors (see below), whose sum is σ = 62611200. Its totient is φ = 14083200.

The previous prime is 30726931. The next prime is 30726953. The reversal of 30726952 is 25962703.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (30726953) 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 7 ways as a sum of consecutive naturals, for example, 1452 + ... + 7972.

It is an arithmetic number, because the mean of its divisors is an integer number (1956600).

Almost surely, 2^30726952 is an apocalyptic number.

It is an amenable number.

30726952 is an abundant number, since it is smaller than the sum of its proper divisors (31884248).

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

30726952 is a wasteful number, since it uses less digits than its factorization.

30726952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6577 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 30726952 is about 5543.1896954732. The cubic root of 30726952 is about 313.2130346503.

The spelling of 30726952 in words is "thirty million, seven hundred twenty-six thousand, nine hundred fifty-two".