716821630 has 32 divisors (see below), whose sum is σ = 1475626176. Its totient is φ = 245597184.

The previous prime is 716821627. The next prime is 716821673. The reversal of 716821630 is 36128617.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138652 + ... + 143728.

It is an arithmetic number, because the mean of its divisors is an integer number (46113318).

Almost surely, 2^716821630 is an apocalyptic number.

716821630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

716821630 is an abundant number, since it is smaller than the sum of its proper divisors (758804546).

716821630 is a wasteful number, since it uses less digits than its factorization.

716821630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7108.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 716821630 is about 26773.5247959621. The cubic root of 716821630 is about 894.9601555247.

The spelling of 716821630 in words is "seven hundred sixteen million, eight hundred twenty-one thousand, six hundred thirty".