725761670 has 8 divisors (see below), whose sum is σ = 1306371024. Its totient is φ = 290304664.

The previous prime is 725761667. The next prime is 725761717. The reversal of 725761670 is 76167527.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36288074 + ... + 36288093.

It is an arithmetic number, because the mean of its divisors is an integer number (163296378).

Almost surely, 2^725761670 is an apocalyptic number.

725761670 is a deficient number, since it is larger than the sum of its proper divisors (580609354).

725761670 is a wasteful number, since it uses less digits than its factorization.

725761670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72576174.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 725761670 is about 26939.9641796347. The cubic root of 725761670 is about 898.6653757523.

The spelling of 725761670 in words is "seven hundred twenty-five million, seven hundred sixty-one thousand, six hundred seventy".