716700643 has 2 divisors, whose sum is σ = 716700644. Its totient is φ = 716700642.

The previous prime is 716700617. The next prime is 716700667. The reversal of 716700643 is 346007617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 716700643 - 2¹³ = 716692451 is a prime.

It is a super-2 number, since 2×716700643² = 1027319623353226898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 716700599 and 716700608.

It is not a weakly prime, because it can be changed into another prime (716700043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358350321 + 358350322.

It is an arithmetic number, because the mean of its divisors is an integer number (358350322).

Almost surely, 2^716700643 is an apocalyptic number.

716700643 is a deficient number, since it is larger than the sum of its proper divisors (1).

716700643 is an equidigital number, since it uses as much as digits as its factorization.

716700643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 716700643 is about 26771.2652483965. The cubic root of 716700643 is about 894.9098014653.

The spelling of 716700643 in words is "seven hundred sixteen million, seven hundred thousand, six hundred forty-three".