70706060729 has 2 divisors, whose sum is σ = 70706060730. Its totient is φ = 70706060728.

The previous prime is 70706060693. The next prime is 70706060743. The reversal of 70706060729 is 92706060707.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60849542329 + 9856518400 = 246677^2 + 99280^2 .

It is a cyclic number.

It is not a de Polignac number, because 70706060729 - 2⁸ = 70706060473 is a prime.

It is a super-2 number, since 2×70706060729² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70706060729.

It is not a weakly prime, because it can be changed into another prime (70706060779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35353030364 + 35353030365.

It is an arithmetic number, because the mean of its divisors is an integer number (35353030365).

Almost surely, 2^70706060729 is an apocalyptic number.

It is an amenable number.

70706060729 is a deficient number, since it is larger than the sum of its proper divisors (1).

70706060729 is an equidigital number, since it uses as much as digits as its factorization.

70706060729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 222264, while the sum is 44.

The spelling of 70706060729 in words is "seventy billion, seven hundred six million, sixty thousand, seven hundred twenty-nine".