70523732387 has 2 divisors, whose sum is σ = 70523732388. Its totient is φ = 70523732386.

The previous prime is 70523732381. The next prime is 70523732417. The reversal of 70523732387 is 78323732507.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70523732387 - 2³⁰ = 69449990563 is a prime.

It is not a weakly prime, because it can be changed into another prime (70523732381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35261866193 + 35261866194.

It is an arithmetic number, because the mean of its divisors is an integer number (35261866194).

Almost surely, 2^70523732387 is an apocalyptic number.

70523732387 is a deficient number, since it is larger than the sum of its proper divisors (1).

70523732387 is an equidigital number, since it uses as much as digits as its factorization.

70523732387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 70523732387 in words is "seventy billion, five hundred twenty-three million, seven hundred thirty-two thousand, three hundred eighty-seven".