70716969 has 10 divisors (see below), whose sum is σ = 105639050. Its totient is φ = 47144592.

The previous prime is 70716941. The next prime is 70716979. The reversal of 70716969 is 96961707.

It can be written as a sum of positive squares in only one way, i.e., 69305625 + 1411344 = 8325^2 + 1188^2 .

It is not a de Polignac number, because 70716969 - 2⁸ = 70716713 is a prime.

It is a super-2 number, since 2×70716969² = 10001779409093922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70716979) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 436444 + ... + 436605.

It is an arithmetic number, because the mean of its divisors is an integer number (10563905).

Almost surely, 2^70716969 is an apocalyptic number.

It is an amenable number.

70716969 is a deficient number, since it is larger than the sum of its proper divisors (34922081).

70716969 is an equidigital number, since it uses as much as digits as its factorization.

70716969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873061 (or 873052 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 70716969 is about 8409.3382022606. The cubic root of 70716969 is about 413.5308169355.

The spelling of 70716969 in words is "seventy million, seven hundred sixteen thousand, nine hundred sixty-nine".