716672771 has 4 divisors (see below), whose sum is σ = 717312072. Its totient is φ = 716033472.

The previous prime is 716672707. The next prime is 716672783. The reversal of 716672771 is 177276617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 716672771 - 2⁶ = 716672707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716672471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317966 + ... + 320211.

It is an arithmetic number, because the mean of its divisors is an integer number (179328018).

Almost surely, 2^716672771 is an apocalyptic number.

716672771 is a deficient number, since it is larger than the sum of its proper divisors (639301).

716672771 is a wasteful number, since it uses less digits than its factorization.

716672771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639300.

The product of its digits is 172872, while the sum is 44.

The square root of 716672771 is about 26770.7446851969. The cubic root of 716672771 is about 894.8982005040.

The spelling of 716672771 in words is "seven hundred sixteen million, six hundred seventy-two thousand, seven hundred seventy-one".