30722364 has 36 divisors (see below), whose sum is σ = 80167360. Its totient is φ = 9910080.

The previous prime is 30722357. The next prime is 30722369. The reversal of 30722364 is 46322703.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30722369) 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 11 ways as a sum of consecutive naturals, for example, 12649 + ... + 14880.

Almost surely, 2^30722364 is an apocalyptic number.

It is an amenable number.

30722364 is an abundant number, since it is smaller than the sum of its proper divisors (49444996).

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

30722364 is a wasteful number, since it uses less digits than its factorization.

30722364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27570 (or 27565 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 30722364 is about 5542.7758388735. The cubic root of 30722364 is about 313.1974447221.

The spelling of 30722364 in words is "thirty million, seven hundred twenty-two thousand, three hundred sixty-four".