70125746731 has 2 divisors, whose sum is σ = 70125746732. Its totient is φ = 70125746730.

The previous prime is 70125746723. The next prime is 70125746737. The reversal of 70125746731 is 13764752107.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13764752107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70125746731 - 2³ = 70125746723 is a prime.

It is a super-2 number, since 2×70125746731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70125746737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35062873365 + 35062873366.

It is an arithmetic number, because the mean of its divisors is an integer number (35062873366).

Almost surely, 2^70125746731 is an apocalyptic number.

70125746731 is a deficient number, since it is larger than the sum of its proper divisors (1).

70125746731 is an equidigital number, since it uses as much as digits as its factorization.

70125746731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 43.

The spelling of 70125746731 in words is "seventy billion, one hundred twenty-five million, seven hundred forty-six thousand, seven hundred thirty-one".