70759969 has 6 divisors (see below), whose sum is σ = 82312674. Its totient is φ = 60651360.

The previous prime is 70759963. The next prime is 70759987. The reversal of 70759969 is 96995707.

It can be written as a sum of positive squares in only one way, i.e., 69505569 + 1254400 = 8337^2 + 1120^2 .

It is a de Polignac number, because none of the positive numbers 2^k-70759969 is a prime.

It is a super-2 number, since 2×70759969² = 10013946425761922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70759963) 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 in 5 ways as a sum of consecutive naturals, for example, 721992 + ... + 722089.

It is an arithmetic number, because the mean of its divisors is an integer number (13718779).

Almost surely, 2^70759969 is an apocalyptic number.

It is an amenable number.

70759969 is a deficient number, since it is larger than the sum of its proper divisors (11552705).

70759969 is a wasteful number, since it uses less digits than its factorization.

70759969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444095 (or 1444088 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 70759969 is about 8411.8944952965. The cubic root of 70759969 is about 413.6146168233.

The spelling of 70759969 in words is "seventy million, seven hundred fifty-nine thousand, nine hundred sixty-nine".