307430772 has 48 divisors (see below), whose sum is σ = 784003584. Its totient is φ = 92988000.

The previous prime is 307430759. The next prime is 307430803. The reversal of 307430772 is 277034703.

307430772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81447 + ... + 85137.

It is an arithmetic number, because the mean of its divisors is an integer number (16333408).

Almost surely, 2^307430772 is an apocalyptic number.

It is an amenable number.

307430772 is an abundant number, since it is smaller than the sum of its proper divisors (476572812).

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

307430772 is a wasteful number, since it uses less digits than its factorization.

307430772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4338 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 307430772 is about 17533.7038870856. The cubic root of 307430772 is about 674.9150488427.

The spelling of 307430772 in words is "three hundred seven million, four hundred thirty thousand, seven hundred seventy-two".