70713012757 has 2 divisors, whose sum is σ = 70713012758. Its totient is φ = 70713012756.

The previous prime is 70713012743. The next prime is 70713012761. The reversal of 70713012757 is 75721031707.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49707148401 + 21005864356 = 222951^2 + 144934^2 .

It is a cyclic number.

It is not a de Polignac number, because 70713012757 - 2²³ = 70704624149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70713012457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35356506378 + 35356506379.

It is an arithmetic number, because the mean of its divisors is an integer number (35356506379).

Almost surely, 2^70713012757 is an apocalyptic number.

It is an amenable number.

70713012757 is a deficient number, since it is larger than the sum of its proper divisors (1).

70713012757 is an equidigital number, since it uses as much as digits as its factorization.

70713012757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72030, while the sum is 40.

The spelling of 70713012757 in words is "seventy billion, seven hundred thirteen million, twelve thousand, seven hundred fifty-seven".