716046640 has 20 divisors (see below), whose sum is σ = 1664808624. Its totient is φ = 286418624.

The previous prime is 716046601. The next prime is 716046641. The reversal of 716046640 is 46640617.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 716046596 and 716046605.

It is not an unprimeable number, because it can be changed into a prime (716046641) 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 3 ways as a sum of consecutive naturals, for example, 4475212 + ... + 4475371.

Almost surely, 2^716046640 is an apocalyptic number.

It is an amenable number.

716046640 is an abundant number, since it is smaller than the sum of its proper divisors (948761984).

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

716046640 is a wasteful number, since it uses less digits than its factorization.

716046640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8950596 (or 8950590 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 716046640 is about 26759.0478156455. The cubic root of 716046640 is about 894.6375112070.

The spelling of 716046640 in words is "seven hundred sixteen million, forty-six thousand, six hundred forty".