30392064 has 72 divisors (see below), whose sum is σ = 89895120. Its totient is φ = 10128384.

The previous prime is 30392051. The next prime is 30392069. The reversal of 30392064 is 46029303.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30392069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4714 + ... + 9110.

Almost surely, 2^30392064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30392064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44947560).

30392064 is an abundant number, since it is smaller than the sum of its proper divisors (59503056).

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

30392064 is an equidigital number, since it uses as much as digits as its factorization.

30392064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422 (or 4402 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 30392064 is about 5512.8997814218. The cubic root of 30392064 is about 312.0709897635.

The spelling of 30392064 in words is "thirty million, three hundred ninety-two thousand, sixty-four".