716663625 has 16 divisors (see below), whose sum is σ = 1192528896. Its totient is φ = 382220400.

The previous prime is 716663617. The next prime is 716663639. The reversal of 716663625 is 526366617.

It is not a de Polignac number, because 716663625 - 2³ = 716663617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955177 + ... + 955926.

It is an arithmetic number, because the mean of its divisors is an integer number (74533056).

Almost surely, 2^716663625 is an apocalyptic number.

716663625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

716663625 is a deficient number, since it is larger than the sum of its proper divisors (475865271).

716663625 is a wasteful number, since it uses less digits than its factorization.

716663625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911121 (or 1911111 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 716663625 is about 26770.5738638528. The cubic root of 716663625 is about 894.8943936649.

The spelling of 716663625 in words is "seven hundred sixteen million, six hundred sixty-three thousand, six hundred twenty-five".