70317999 has 6 divisors (see below), whose sum is σ = 101570456. Its totient is φ = 46878660.

The previous prime is 70317991. The next prime is 70318021. The reversal of 70317999 is 99971307.

It is not a de Polignac number, because 70317999 - 2³ = 70317991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70317991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3906547 + ... + 3906564.

Almost surely, 2^70317999 is an apocalyptic number.

70317999 is a deficient number, since it is larger than the sum of its proper divisors (31252457).

70317999 is a wasteful number, since it uses less digits than its factorization.

70317999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7813117 (or 7813114 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 70317999 is about 8385.5828062216. The cubic root of 70317999 is about 412.7516657116.

The spelling of 70317999 in words is "seventy million, three hundred seventeen thousand, nine hundred ninety-nine".