30470712 has 32 divisors (see below), whose sum is σ = 76340880. Its totient is φ = 10135040.

The previous prime is 30470701. The next prime is 30470719. The reversal of 30470712 is 21707403.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30470719) 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, 13162 + ... + 15302.

Almost surely, 2^30470712 is an apocalyptic number.

It is an amenable number.

30470712 is an abundant number, since it is smaller than the sum of its proper divisors (45870168).

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

30470712 is a wasteful number, since it uses less digits than its factorization.

30470712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2743 (or 2739 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 30470712 is about 5520.0282607972. The cubic root of 30470712 is about 312.3399483344.

The spelling of 30470712 in words is "thirty million, four hundred seventy thousand, seven hundred twelve".