30238672 has 40 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 14581632.

The previous prime is 30238669. The next prime is 30238679. The reversal of 30238672 is 27683203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30238679) 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, 59154 + ... + 59662.

It is an arithmetic number, because the mean of its divisors is an integer number (1517760).

Almost surely, 2^30238672 is an apocalyptic number.

It is an amenable number.

30238672 is an abundant number, since it is smaller than the sum of its proper divisors (30471728).

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

30238672 is a wasteful number, since it uses less digits than its factorization.

30238672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 30238672 is about 5498.9700853887. The cubic root of 30238672 is about 311.5450854410.

The spelling of 30238672 in words is "thirty million, two hundred thirty-eight thousand, six hundred seventy-two".