716720136 has 64 divisors (see below), whose sum is σ = 2069686080. Its totient is φ = 204410880.

The previous prime is 716720129. The next prime is 716720149. The reversal of 716720136 is 631027617.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 716720097 and 716720106.

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, 75361 + ... + 84336.

It is an arithmetic number, because the mean of its divisors is an integer number (32338845).

Almost surely, 2^716720136 is an apocalyptic number.

It is an amenable number.

716720136 is an abundant number, since it is smaller than the sum of its proper divisors (1352965944).

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

716720136 is a wasteful number, since it uses less digits than its factorization.

716720136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159734 (or 159730 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 716720136 is about 26771.6293116426. The cubic root of 716720136 is about 894.9179147172.

The spelling of 716720136 in words is "seven hundred sixteen million, seven hundred twenty thousand, one hundred thirty-six".