70980709427 has 16 divisors (see below), whose sum is σ = 72257805312. Its totient is φ = 69716816640.

The previous prime is 70980709417. The next prime is 70980709489. The reversal of 70980709427 is 72490708907.

It is a cyclic number.

It is not a de Polignac number, because 70980709427 - 2⁴ = 70980709411 is a prime.

It is a super-2 number, since 2×70980709427² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70980709417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6908348 + ... + 6918614.

It is an arithmetic number, because the mean of its divisors is an integer number (4516112832).

Almost surely, 2^70980709427 is an apocalyptic number.

70980709427 is a deficient number, since it is larger than the sum of its proper divisors (1277095885).

70980709427 is a wasteful number, since it uses less digits than its factorization.

70980709427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 70980709427 in words is "seventy billion, nine hundred eighty million, seven hundred nine thousand, four hundred twenty-seven".