70685565 has 8 divisors (see below), whose sum is σ = 113096928. Its totient is φ = 37698960.

The previous prime is 70685543. The next prime is 70685569. The reversal of 70685565 is 56558607.

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

It is not a de Polignac number, because 70685565 - 2¹⁶ = 70620029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70685569) 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, 2356171 + ... + 2356200.

It is an arithmetic number, because the mean of its divisors is an integer number (14137116).

Almost surely, 2^70685565 is an apocalyptic number.

It is an amenable number.

70685565 is a deficient number, since it is larger than the sum of its proper divisors (42411363).

70685565 is a wasteful number, since it uses less digits than its factorization.

70685565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712379.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 70685565 is about 8407.4707849626. The cubic root of 70685565 is about 413.4695942672.

The spelling of 70685565 in words is "seventy million, six hundred eighty-five thousand, five hundred sixty-five".