70666560 has 112 divisors (see below), whose sum is σ = 249326400. Its totient is φ = 18842112.

The previous prime is 70666523. The next prime is 70666571. The reversal of 70666560 is 6566607.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 4551 + ... + 12729.

Almost surely, 2^70666560 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 70666560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124663200).

70666560 is an abundant number, since it is smaller than the sum of its proper divisors (178659840).

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

70666560 is a wasteful number, since it uses less digits than its factorization.

70666560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205 (or 8189 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 70666560 is about 8406.3404641972. The cubic root of 70666560 is about 413.4325348667.

The spelling of 70666560 in words is "seventy million, six hundred sixty-six thousand, five hundred sixty".