70407864 has 48 divisors (see below), whose sum is σ = 191997000. Its totient is φ = 23308224.

The previous prime is 70407859. The next prime is 70407871. The reversal of 70407864 is 46870407.

It is a happy number.

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

It is a congruent number.

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, 7447 + ... + 14009.

Almost surely, 2^70407864 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 70407864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95998500).

70407864 is an abundant number, since it is smaller than the sum of its proper divisors (121589136).

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

70407864 is a wasteful number, since it uses less digits than its factorization.

70407864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 70407864 is about 8390.9393991376. The cubic root of 70407864 is about 412.9274203276.

The spelling of 70407864 in words is "seventy million, four hundred seven thousand, eight hundred sixty-four".