69722713 has 2 divisors, whose sum is σ = 69722714. Its totient is φ = 69722712.

The previous prime is 69722711. The next prime is 69722717. The reversal of 69722713 is 31722796.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67683529 + 2039184 = 8227^2 + 1428^2 .

It is a cyclic number.

It is not a de Polignac number, because 69722713 - 2¹ = 69722711 is a prime.

It is a super-2 number, since 2×69722713² = 9722513416160738, which contains 22 as substring.

Together with 69722711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (69722711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34861356 + 34861357.

It is an arithmetic number, because the mean of its divisors is an integer number (34861357).

Almost surely, 2^69722713 is an apocalyptic number.

It is an amenable number.

69722713 is a deficient number, since it is larger than the sum of its proper divisors (1).

69722713 is an equidigital number, since it uses as much as digits as its factorization.

69722713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 37.

The square root of 69722713 is about 8350.0127544813. The cubic root of 69722713 is about 411.5836294533.

The spelling of 69722713 in words is "sixty-nine million, seven hundred twenty-two thousand, seven hundred thirteen".