70722759969 has 24 divisors (see below), whose sum is σ = 106326080640. Its totient is φ = 45243388512.

The previous prime is 70722759917. The next prime is 70722759979. The reversal of 70722759969 is 96995722707.

It is not a de Polignac number, because 70722759969 - 2¹³ = 70722751777 is a prime.

It is a super-2 number, since 2×70722759969² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70722759979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788649 + ... + 873734.

It is an arithmetic number, because the mean of its divisors is an integer number (4430253360).

Almost surely, 2^70722759969 is an apocalyptic number.

It is an amenable number.

70722759969 is a deficient number, since it is larger than the sum of its proper divisors (35603320671).

70722759969 is a wasteful number, since it uses less digits than its factorization.

70722759969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662581 (or 1662578 counting only the distinct ones).

The product of its (nonzero) digits is 30005640, while the sum is 63.

The spelling of 70722759969 in words is "seventy billion, seven hundred twenty-two million, seven hundred fifty-nine thousand, nine hundred sixty-nine".