716669056 has 64 divisors (see below), whose sum is σ = 1518004800. Its totient is φ = 336061440.

The previous prime is 716669027. The next prime is 716669059. The reversal of 716669056 is 650966617.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×716669056² = 1027229071655862272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 716668997 and 716669015.

It is not an unprimeable number, because it can be changed into a prime (716669059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249066 + ... + 251926.

It is an arithmetic number, because the mean of its divisors is an integer number (23718825).

Almost surely, 2^716669056 is an apocalyptic number.

716669056 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 716669056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (759002400).

716669056 is an abundant number, since it is smaller than the sum of its proper divisors (801335744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

716669056 is a wasteful number, since it uses less digits than its factorization.

716669056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997 (or 2985 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 716669056 is about 26770.6752996632. The cubic root of 716669056 is about 894.8966542136.

The spelling of 716669056 in words is "seven hundred sixteen million, six hundred sixty-nine thousand, fifty-six".