70669256 has 64 divisors (see below), whose sum is σ = 156643200. Its totient is φ = 29265408.

The previous prime is 70669177. The next prime is 70669273. The reversal of 70669256 is 65296607.

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, 241046 + ... + 241338.

It is an arithmetic number, because the mean of its divisors is an integer number (2447550).

Almost surely, 2^70669256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70669256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78321600).

70669256 is an abundant number, since it is smaller than the sum of its proper divisors (85973944).

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

70669256 is a wasteful number, since it uses less digits than its factorization.

70669256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 70669256 is about 8406.5008178195. The cubic root of 70669256 is about 413.4377924215.

The spelling of 70669256 in words is "seventy million, six hundred sixty-nine thousand, two hundred fifty-six".