307679425 has 12 divisors (see below), whose sum is σ = 387778876. Its totient is φ = 242107200.

The previous prime is 307679399. The next prime is 307679429. The reversal of 307679425 is 524976703.

It can be written as a sum of positive squares in 6 ways, for example, as 161366209 + 146313216 = 12703^2 + 12096^2 .

It is not a de Polignac number, because 307679425 - 2¹³ = 307671233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307679429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99354 + ... + 102403.

Almost surely, 2^307679425 is an apocalyptic number.

It is an amenable number.

307679425 is a deficient number, since it is larger than the sum of its proper divisors (80099451).

307679425 is a wasteful number, since it uses less digits than its factorization.

307679425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201828 (or 201823 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 307679425 is about 17540.7931690674. The cubic root of 307679425 is about 675.0969590942.

The spelling of 307679425 in words is "three hundred seven million, six hundred seventy-nine thousand, four hundred twenty-five".