70102670872 has 64 divisors (see below), whose sum is σ = 142538760000. Its totient is φ = 32130514944.

The previous prime is 70102670843. The next prime is 70102670879. The reversal of 70102670872 is 27807620107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70102670879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11773048 + ... + 11779000.

It is an arithmetic number, because the mean of its divisors is an integer number (2227168125).

Almost surely, 2^70102670872 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 70102670872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71269380000).

70102670872 is an abundant number, since it is smaller than the sum of its proper divisors (72436089128).

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

70102670872 is a wasteful number, since it uses less digits than its factorization.

70102670872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740 (or 6736 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 70102670872 in words is "seventy billion, one hundred two million, six hundred seventy thousand, eight hundred seventy-two".