716772705 has 16 divisors (see below), whose sum is σ = 1251094464. Its totient is φ = 347526080.

The previous prime is 716772691. The next prime is 716772709. The reversal of 716772705 is 507277617.

It is a happy number.

It is not a de Polignac number, because 716772705 - 2⁷ = 716772577 is a prime.

It is a super-2 number, since 2×716772705² = 1027526221266034050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (716772709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2171874 + ... + 2172203.

It is an arithmetic number, because the mean of its divisors is an integer number (78193404).

Almost surely, 2^716772705 is an apocalyptic number.

It is an amenable number.

716772705 is a deficient number, since it is larger than the sum of its proper divisors (534321759).

716772705 is a wasteful number, since it uses less digits than its factorization.

716772705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4344096.

The product of its (nonzero) digits is 144060, while the sum is 42.

The square root of 716772705 is about 26772.6110979112. The cubic root of 716772705 is about 894.9397939173.

It can be divided in two parts, 71 and 6772705, that added together give a palindrome (6772776).

The spelling of 716772705 in words is "seven hundred sixteen million, seven hundred seventy-two thousand, seven hundred five".