70531860672 has 1260 divisors, whose sum is σ = 276986609856. Its totient is φ = 17662095360.

The previous prime is 70531860653. The next prime is 70531860673. The reversal of 70531860672 is 27606813507.

70531860672 is a `hidden beast` number, since 7 + 0 + 5 + 31 + 8 + 606 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (70531860673) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 1330789798 + ... + 1330789850.

Almost surely, 2^70531860672 is an apocalyptic number.

70531860672 is a gapful number since it is divisible by the number (72) 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 70531860672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138493304928).

70531860672 is an abundant number, since it is smaller than the sum of its proper divisors (206454749184).

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

70531860672 is a wasteful number, since it uses less digits than its factorization.

70531860672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 70531860672 in words is "seventy billion, five hundred thirty-one million, eight hundred sixty thousand, six hundred seventy-two".