70561317 has 8 divisors (see below), whose sum is σ = 94252896. Its totient is φ = 46955312.

The previous prime is 70561313. The next prime is 70561319. The reversal of 70561317 is 71316507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70561317 - 2² = 70561313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70561313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19443 + ... + 22784.

It is an arithmetic number, because the mean of its divisors is an integer number (11781612).

Almost surely, 2^70561317 is an apocalyptic number.

It is an amenable number.

70561317 is a deficient number, since it is larger than the sum of its proper divisors (23691579).

70561317 is a wasteful number, since it uses less digits than its factorization.

70561317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42787.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 70561317 is about 8400.0783924913. The cubic root of 70561317 is about 413.2271925838.

The spelling of 70561317 in words is "seventy million, five hundred sixty-one thousand, three hundred seventeen".