70317659 has 2 divisors, whose sum is σ = 70317660. Its totient is φ = 70317658.

The previous prime is 70317629. The next prime is 70317671. The reversal of 70317659 is 95671307.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70317659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70317629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35158829 + 35158830.

It is an arithmetic number, because the mean of its divisors is an integer number (35158830).

Almost surely, 2^70317659 is an apocalyptic number.

70317659 is a deficient number, since it is larger than the sum of its proper divisors (1).

70317659 is an equidigital number, since it uses as much as digits as its factorization.

70317659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 70317659 is about 8385.5625333069. The cubic root of 70317659 is about 412.7510004680.

The spelling of 70317659 in words is "seventy million, three hundred seventeen thousand, six hundred fifty-nine".