70130448 has 100 divisors (see below), whose sum is σ = 207010188. Its totient is φ = 22913280.

The previous prime is 70130413. The next prime is 70130449. The reversal of 70130448 is 84403107.

It can be written as a sum of positive squares in 2 ways, for example, as 45805824 + 24324624 = 6768^2 + 4932^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70130449) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68178 + ... + 69198.

Almost surely, 2^70130448 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 70130448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103505094).

70130448 is an abundant number, since it is smaller than the sum of its proper divisors (136879740).

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

70130448 is a wasteful number, since it uses less digits than its factorization.

70130448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70130448 is about 8374.3923958697. The cubic root of 70130448 is about 412.3843775118.

The spelling of 70130448 in words is "seventy million, one hundred thirty thousand, four hundred forty-eight".