70069824 has 84 divisors (see below), whose sum is σ = 219120720. Its totient is φ = 21231360.

The previous prime is 70069819. The next prime is 70069841. The reversal of 70069824 is 42896007.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 807 + ... + 11865.

It is an arithmetic number, because the mean of its divisors is an integer number (2608580).

Almost surely, 2^70069824 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 70069824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109560360).

70069824 is an abundant number, since it is smaller than the sum of its proper divisors (149050896).

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

70069824 is a wasteful number, since it uses less digits than its factorization.

70069824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088 (or 11075 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 70069824 is about 8370.7720074077. The cubic root of 70069824 is about 412.2655152177.

The spelling of 70069824 in words is "seventy million, sixty-nine thousand, eight hundred twenty-four".