70044871680 has 528 divisors, whose sum is σ = 284920783680. Its totient is φ = 15574892544.

The previous prime is 70044871651. The next prime is 70044871697. The reversal of 70044871680 is 8617844007.

70044871680 is a `hidden beast` number, since 7 + 0 + 0 + 4 + 487 + 168 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11931786 + ... + 11937654.

Almost surely, 2^70044871680 is an apocalyptic number.

70044871680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70044871680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142460391840).

70044871680 is an abundant number, since it is smaller than the sum of its proper divisors (214875912000).

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

70044871680 is a wasteful number, since it uses less digits than its factorization.

70044871680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944 (or 5923 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The spelling of 70044871680 in words is "seventy billion, forty-four million, eight hundred seventy-one thousand, six hundred eighty".