30379572 has 36 divisors (see below), whose sum is σ = 78099840. Its totient is φ = 9954192.

The previous prime is 30379571. The next prime is 30379579. The reversal of 30379572 is 27597303.

It is a happy number.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30379571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5028 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (2169440).

Almost surely, 2^30379572 is an apocalyptic number.

It is an amenable number.

30379572 is an abundant number, since it is smaller than the sum of its proper divisors (47720268).

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

30379572 is a wasteful number, since it uses less digits than its factorization.

30379572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14372 (or 14367 counting only the distinct ones).

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

The square root of 30379572 is about 5511.7666859184. The cubic root of 30379572 is about 312.0282272292.

The spelling of 30379572 in words is "thirty million, three hundred seventy-nine thousand, five hundred seventy-two".