30064992 has 96 divisors (see below), whose sum is σ = 84913920. Its totient is φ = 9285120.

The previous prime is 30064987. The next prime is 30064999. The reversal of 30064992 is 29946003.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30064999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96517 + ... + 96827.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^30064992 is an apocalyptic number.

30064992 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 30064992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42456960).

30064992 is an abundant number, since it is smaller than the sum of its proper divisors (54848928).

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

30064992 is a wasteful number, since it uses less digits than its factorization.

30064992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 30064992 is about 5483.1552959952. The cubic root of 30064992 is about 310.9474723719.

The spelling of 30064992 in words is "thirty million, sixty-four thousand, nine hundred ninety-two".