716180639 has 4 divisors (see below), whose sum is σ = 722874024. Its totient is φ = 709487256.

The previous prime is 716180629. The next prime is 716180651. The reversal of 716180639 is 936081617.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-716180639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 716180596 and 716180605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716180629) 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, 3346532 + ... + 3346745.

It is an arithmetic number, because the mean of its divisors is an integer number (180718506).

Almost surely, 2^716180639 is an apocalyptic number.

716180639 is a deficient number, since it is larger than the sum of its proper divisors (6693385).

716180639 is a wasteful number, since it uses less digits than its factorization.

716180639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693384.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 716180639 is about 26761.5515058451. The cubic root of 716180639 is about 894.6933143944.

The spelling of 716180639 in words is "seven hundred sixteen million, one hundred eighty thousand, six hundred thirty-nine".