304745240 has 32 divisors (see below), whose sum is σ = 686363760. Its totient is φ = 121776000.

The previous prime is 304745131. The next prime is 304745269. The reversal of 304745240 is 42547403.

It is a super-2 number, since 2×304745240² = 185739322605315200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44015 + ... + 50465.

Almost surely, 2^304745240 is an apocalyptic number.

It is an amenable number.

304745240 is an abundant number, since it is smaller than the sum of its proper divisors (381618520).

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

304745240 is a wasteful number, since it uses less digits than its factorization.

304745240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7643 (or 7639 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 304745240 is about 17456.9539152740. The cubic root of 304745240 is about 672.9440800410.

The spelling of 304745240 in words is "three hundred four million, seven hundred forty-five thousand, two hundred forty".