70884972 has 72 divisors (see below), whose sum is σ = 194754560. Its totient is φ = 21656160.

The previous prime is 70884959. The next prime is 70885021. The reversal of 70884972 is 27948807.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19533 + ... + 22875.

Almost surely, 2^70884972 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 70884972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97377280).

70884972 is an abundant number, since it is smaller than the sum of its proper divisors (123869588).

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

70884972 is a wasteful number, since it uses less digits than its factorization.

70884972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403 (or 3398 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 70884972 is about 8419.3213503227. The cubic root of 70884972 is about 413.8580343596.

The spelling of 70884972 in words is "seventy million, eight hundred eighty-four thousand, nine hundred seventy-two".