30372492 has 24 divisors (see below), whose sum is σ = 72072000. Its totient is φ = 9952336.

The previous prime is 30372487. The next prime is 30372493. The reversal of 30372492 is 29427303.

It is not an unprimeable number, because it can be changed into a prime (30372493) 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, 20742 + ... + 22157.

It is an arithmetic number, because the mean of its divisors is an integer number (3003000).

Almost surely, 2^30372492 is an apocalyptic number.

It is an amenable number.

30372492 is an abundant number, since it is smaller than the sum of its proper divisors (41699508).

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

30372492 is a wasteful number, since it uses less digits than its factorization.

30372492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42965 (or 42963 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30372492 is about 5511.1243861847. The cubic root of 30372492 is about 312.0039858136.

Adding to 30372492 its reverse (29427303), we get a palindrome (59799795).

The spelling of 30372492 in words is "thirty million, three hundred seventy-two thousand, four hundred ninety-two".