70247373121 has 4 divisors (see below), whose sum is σ = 70446374532. Its totient is φ = 70048371712.

The previous prime is 70247373109. The next prime is 70247373127. The reversal of 70247373121 is 12137374207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53441880625 + 16805492496 = 231175^2 + 129636^2 .

It is a cyclic number.

It is not a de Polignac number, because 70247373121 - 2²⁷ = 70113155393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70247373127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99500176 + ... + 99500881.

It is an arithmetic number, because the mean of its divisors is an integer number (17611593633).

Almost surely, 2^70247373121 is an apocalyptic number.

It is an amenable number.

70247373121 is a deficient number, since it is larger than the sum of its proper divisors (199001411).

70247373121 is a wasteful number, since it uses less digits than its factorization.

70247373121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199001410.

The product of its (nonzero) digits is 49392, while the sum is 37.

The spelling of 70247373121 in words is "seventy billion, two hundred forty-seven million, three hundred seventy-three thousand, one hundred twenty-one".