307252472 has 8 divisors (see below), whose sum is σ = 576098400. Its totient is φ = 153626232.

The previous prime is 307252457. The next prime is 307252481. The reversal of 307252472 is 274252703.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×307252472² = 188808163100221568, 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 as a sum of consecutive naturals, namely, 19203272 + ... + 19203287.

It is an arithmetic number, because the mean of its divisors is an integer number (72012300).

Almost surely, 2^307252472 is an apocalyptic number.

It is an amenable number.

307252472 is a deficient number, since it is larger than the sum of its proper divisors (268845928).

307252472 is a wasteful number, since it uses less digits than its factorization.

307252472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38406565 (or 38406561 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 307252472 is about 17528.6186563574. The cubic root of 307252472 is about 674.7845472408.

The spelling of 307252472 in words is "three hundred seven million, two hundred fifty-two thousand, four hundred seventy-two".