320376725 has 24 divisors (see below), whose sum is σ = 403500960. Its totient is φ = 252313920.

The previous prime is 320376709. The next prime is 320376761. The reversal of 320376725 is 527673023.

It is not a de Polignac number, because 320376725 - 2⁴ = 320376709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 612314 + ... + 612836.

It is an arithmetic number, because the mean of its divisors is an integer number (16812540).

Almost surely, 2^320376725 is an apocalyptic number.

It is an amenable number.

320376725 is a deficient number, since it is larger than the sum of its proper divisors (83124235).

320376725 is a wasteful number, since it uses less digits than its factorization.

320376725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 320376725 is about 17899.0705065934. The cubic root of 320376725 is about 684.2586861953.

The spelling of 320376725 in words is "three hundred twenty million, three hundred seventy-six thousand, seven hundred twenty-five".