70706670 has 32 divisors (see below), whose sum is σ = 171289728. Its totient is φ = 18678048.

The previous prime is 70706651. The next prime is 70706681. The reversal of 70706670 is 7660707.

It is a happy number.

It is a Curzon number.

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, 7804 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (5352804).

Almost surely, 2^70706670 is an apocalyptic number.

70706670 is an abundant number, since it is smaller than the sum of its proper divisors (100583058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70706670 is a wasteful number, since it uses less digits than its factorization.

70706670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 70706670 is about 8408.7258249987. The cubic root of 70706670 is about 413.5107408457.

The spelling of 70706670 in words is "seventy million, seven hundred six thousand, six hundred seventy".