30747412 has 24 divisors (see below), whose sum is σ = 57964032. Its totient is φ = 14229600.

The previous prime is 30747401. The next prime is 30747419. The reversal of 30747412 is 21474703.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30747419) 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, 2539 + ... + 8242.

It is an arithmetic number, because the mean of its divisors is an integer number (2415168).

Almost surely, 2^30747412 is an apocalyptic number.

It is an amenable number.

30747412 is a deficient number, since it is larger than the sum of its proper divisors (27216620).

30747412 is a wasteful number, since it uses less digits than its factorization.

30747412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10839 (or 10837 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 30747412 is about 5545.0348961932. The cubic root of 30747412 is about 313.2825384186.

The spelling of 30747412 in words is "thirty million, seven hundred forty-seven thousand, four hundred twelve".