70670685 has 8 divisors (see below), whose sum is σ = 113073120. Its totient is φ = 37691024.

The previous prime is 70670681. The next prime is 70670687. The reversal of 70670685 is 58607607.

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 70670685 - 2² = 70670681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70670681) 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, 2355675 + ... + 2355704.

It is an arithmetic number, because the mean of its divisors is an integer number (14134140).

Almost surely, 2^70670685 is an apocalyptic number.

It is an amenable number.

70670685 is a deficient number, since it is larger than the sum of its proper divisors (42402435).

70670685 is a wasteful number, since it uses less digits than its factorization.

70670685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711387.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 70670685 is about 8406.5858111364. The cubic root of 70670685 is about 413.4405791053.

The spelling of 70670685 in words is "seventy million, six hundred seventy thousand, six hundred eighty-five".