716917907 has 4 divisors (see below), whose sum is σ = 717022056. Its totient is φ = 716813760.

The previous prime is 716917879. The next prime is 716917913. The reversal of 716917907 is 709719617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709719617 = 131 ⋅5417707.

It is a cyclic number.

It is not a de Polignac number, because 716917907 - 2¹⁰ = 716916883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716917987) 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, 40958 + ... + 55779.

It is an arithmetic number, because the mean of its divisors is an integer number (179255514).

Almost surely, 2^716917907 is an apocalyptic number.

716917907 is a deficient number, since it is larger than the sum of its proper divisors (104149).

716917907 is an equidigital number, since it uses as much as digits as its factorization.

716917907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104148.

The product of its (nonzero) digits is 166698, while the sum is 47.

The square root of 716917907 is about 26775.3227244790. The cubic root of 716917907 is about 895.0002213830. Note that the first 3 decimals are identical.

The spelling of 716917907 in words is "seven hundred sixteen million, nine hundred seventeen thousand, nine hundred seven".