716404731 has 8 divisors (see below), whose sum is σ = 1091664384. Its totient is φ = 409374120.

The previous prime is 716404721. The next prime is 716404739. The reversal of 716404731 is 137404617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 716404731 - 2¹⁸ = 716142587 is a prime.

It is a super-2 number, since 2×716404731² = 1026471477198364722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 716404692 and 716404701.

It is not an unprimeable number, because it can be changed into a prime (716404739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17057235 + ... + 17057276.

It is an arithmetic number, because the mean of its divisors is an integer number (136458048).

Almost surely, 2^716404731 is an apocalyptic number.

716404731 is a deficient number, since it is larger than the sum of its proper divisors (375259653).

716404731 is a wasteful number, since it uses less digits than its factorization.

716404731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34114521.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 716404731 is about 26765.7380058910. The cubic root of 716404731 is about 894.7866207920.

The spelling of 716404731 in words is "seven hundred sixteen million, four hundred four thousand, seven hundred thirty-one".