30773952 has 112 divisors (see below), whose sum is σ = 98755200. Its totient is φ = 9319680.

The previous prime is 30773933. The next prime is 30773989. The reversal of 30773952 is 25937703.

It is a happy number.

It is a super-2 number, since 2×30773952² = 1894072243396608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18199 + ... + 19817.

Almost surely, 2^30773952 is an apocalyptic number.

30773952 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 30773952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49377600).

30773952 is an abundant number, since it is smaller than the sum of its proper divisors (67981248).

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

30773952 is a wasteful number, since it uses less digits than its factorization.

30773952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 36.

The square root of 30773952 is about 5547.4275119194. The cubic root of 30773952 is about 313.3726503653.

The spelling of 30773952 in words is "thirty million, seven hundred seventy-three thousand, nine hundred fifty-two".