30896772 has 12 divisors (see below), whose sum is σ = 72092496. Its totient is φ = 10298920.

The previous prime is 30896759. The next prime is 30896777. The reversal of 30896772 is 27769803.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×30896772² = 1909221040039968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30896777) 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 3 ways as a sum of consecutive naturals, for example, 1287354 + ... + 1287377.

It is an arithmetic number, because the mean of its divisors is an integer number (6007708).

Almost surely, 2^30896772 is an apocalyptic number.

It is an amenable number.

30896772 is an abundant number, since it is smaller than the sum of its proper divisors (41195724).

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

30896772 is a wasteful number, since it uses less digits than its factorization.

30896772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574738 (or 2574736 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 30896772 is about 5558.4864846467. The cubic root of 30896772 is about 313.7889909903.

The spelling of 30896772 in words is "thirty million, eight hundred ninety-six thousand, seven hundred seventy-two".