70018512000 has 512 divisors, whose sum is σ = 250556716800. Its totient is φ = 17231052800.

The previous prime is 70018511971. The next prime is 70018512001. The reversal of 70018512000 is 21581007.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (70018512001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43247191 + ... + 43248809.

Almost surely, 2^70018512000 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 70018512000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125278358400).

70018512000 is an abundant number, since it is smaller than the sum of its proper divisors (180538204800).

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

70018512000 is a wasteful number, since it uses less digits than its factorization.

70018512000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1699 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The spelling of 70018512000 in words is "seventy billion, eighteen million, five hundred twelve thousand".