70431701 has 2 divisors, whose sum is σ = 70431702. Its totient is φ = 70431700.

The previous prime is 70431679. The next prime is 70431703. The reversal of 70431701 is 10713407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 39601 = 8390^2 + 199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70431701 is a prime.

Together with 70431703, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70431703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35215850 + 35215851.

It is an arithmetic number, because the mean of its divisors is an integer number (35215851).

Almost surely, 2^70431701 is an apocalyptic number.

It is an amenable number.

70431701 is a deficient number, since it is larger than the sum of its proper divisors (1).

70431701 is an equidigital number, since it uses as much as digits as its factorization.

70431701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 70431701 is about 8392.3596800900. The cubic root of 70431701 is about 412.9740147456.

The spelling of 70431701 in words is "seventy million, four hundred thirty-one thousand, seven hundred one".