70707685 has 16 divisors (see below), whose sum is σ = 85968000. Its totient is φ = 55826496.

The previous prime is 70707667. The next prime is 70707697. The reversal of 70707685 is 58670707.

It is a cyclic number.

It is not a de Polignac number, because 70707685 - 2⁵ = 70707653 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177907 + ... + 178303.

It is an arithmetic number, because the mean of its divisors is an integer number (5373000).

Almost surely, 2^70707685 is an apocalyptic number.

It is an amenable number.

70707685 is a deficient number, since it is larger than the sum of its proper divisors (15260315).

70707685 is a wasteful number, since it uses less digits than its factorization.

70707685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 70707685 is about 8408.7861787537. The cubic root of 70707685 is about 413.5127194963.

The spelling of 70707685 in words is "seventy million, seven hundred seven thousand, six hundred eighty-five".