70750642757 has 2 divisors, whose sum is σ = 70750642758. Its totient is φ = 70750642756.

The previous prime is 70750642667. The next prime is 70750642763. The reversal of 70750642757 is 75724605707.

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., 41988517921 + 28762124836 = 204911^2 + 169594^2 .

It is a cyclic number.

It is not a de Polignac number, because 70750642757 - 2³⁶ = 2031166021 is a prime.

It is a super-2 number, since 2×70750642757² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70750642777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35375321378 + 35375321379.

It is an arithmetic number, because the mean of its divisors is an integer number (35375321379).

Almost surely, 2^70750642757 is an apocalyptic number.

It is an amenable number.

70750642757 is a deficient number, since it is larger than the sum of its proper divisors (1).

70750642757 is an equidigital number, since it uses as much as digits as its factorization.

70750642757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2881200, while the sum is 50.

The spelling of 70750642757 in words is "seventy billion, seven hundred fifty million, six hundred forty-two thousand, seven hundred fifty-seven".