70928685 has 24 divisors (see below), whose sum is σ = 123247800. Its totient is φ = 37734912.

The previous prime is 70928657. The next prime is 70928701. The reversal of 70928685 is 58682907.

It can be written as a sum of positive squares in 4 ways, for example, as 2022084 + 68906601 = 1422^2 + 8301^2 .

It is not a de Polignac number, because 70928685 - 2⁶ = 70928621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 70928685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18841 + ... + 22289.

It is an arithmetic number, because the mean of its divisors is an integer number (5135325).

Almost surely, 2^70928685 is an apocalyptic number.

It is an amenable number.

70928685 is a deficient number, since it is larger than the sum of its proper divisors (52319115).

70928685 is a wasteful number, since it uses less digits than its factorization.

70928685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917 (or 3914 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 70928685 is about 8421.9169433093. The cubic root of 70928685 is about 413.9430888654.

The spelling of 70928685 in words is "seventy million, nine hundred twenty-eight thousand, six hundred eighty-five".