725323387 has 8 divisors (see below), whose sum is σ = 732710880. Its totient is φ = 717949440.

The previous prime is 725323381. The next prime is 725323393. The reversal of 725323387 is 783323527.

It is an interprime number because it is at equal distance from previous prime (725323381) and next prime (725323393).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725323387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (725323381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130587 + ... + 136027.

It is an arithmetic number, because the mean of its divisors is an integer number (91588860).

Almost surely, 2^725323387 is an apocalyptic number.

725323387 is a deficient number, since it is larger than the sum of its proper divisors (7387493).

725323387 is a wasteful number, since it uses less digits than its factorization.

725323387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773.

The product of its digits is 211680, while the sum is 40.

The square root of 725323387 is about 26931.8285120042. The cubic root of 725323387 is about 898.4844398313.

The spelling of 725323387 in words is "seven hundred twenty-five million, three hundred twenty-three thousand, three hundred eighty-seven".