70705560 has 32 divisors (see below), whose sum is σ = 212117040. Its totient is φ = 18854784.

The previous prime is 70705559. The next prime is 70705561. The reversal of 70705560 is 6550707.

It is an interprime number because it is at equal distance from previous prime (70705559) and next prime (70705561).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70705561) 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, 294487 + ... + 294726.

Almost surely, 2^70705560 is an apocalyptic number.

It is an amenable number.

70705560 is an abundant number, since it is smaller than the sum of its proper divisors (141411480).

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

70705560 is a wasteful number, since it uses less digits than its factorization.

70705560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589227 (or 589223 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 70705560 is about 8408.6598218741. The cubic root of 70705560 is about 413.5085769795.

The spelling of 70705560 in words is "seventy million, seven hundred five thousand, five hundred sixty".