307422725 has 6 divisors (see below), whose sum is σ = 381204210. Its totient is φ = 245938160.

The previous prime is 307422721. The next prime is 307422767. The reversal of 307422725 is 527224703.

It can be written as a sum of positive squares in 3 ways, for example, as 44528929 + 262893796 = 6673^2 + 16214^2 .

It is not a de Polignac number, because 307422725 - 2² = 307422721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 307422691 and 307422700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307422721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6148430 + ... + 6148479.

It is an arithmetic number, because the mean of its divisors is an integer number (63534035).

Almost surely, 2^307422725 is an apocalyptic number.

It is an amenable number.

307422725 is a deficient number, since it is larger than the sum of its proper divisors (73781485).

307422725 is a wasteful number, since it uses less digits than its factorization.

307422725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296919 (or 12296914 counting only the distinct ones).

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

The square root of 307422725 is about 17533.4744132474. The cubic root of 307422725 is about 674.9091601578.

The spelling of 307422725 in words is "three hundred seven million, four hundred twenty-two thousand, seven hundred twenty-five".