70447722730 has 64 divisors (see below), whose sum is σ = 167395444992. Its totient is φ = 20666096640.

The previous prime is 70447722727. The next prime is 70447722773. The reversal of 70447722730 is 3722774407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2677809 + ... + 2703988.

It is an arithmetic number, because the mean of its divisors is an integer number (2615553828).

Almost surely, 2^70447722730 is an apocalyptic number.

70447722730 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

70447722730 is an abundant number, since it is smaller than the sum of its proper divisors (96947722262).

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

70447722730 is a wasteful number, since it uses less digits than its factorization.

70447722730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381839.

The product of its (nonzero) digits is 460992, while the sum is 43.

The spelling of 70447722730 in words is "seventy billion, four hundred forty-seven million, seven hundred twenty-two thousand, seven hundred thirty".