70130700 has 108 divisors (see below), whose sum is σ = 227485440. Its totient is φ = 18049920.

The previous prime is 70130681. The next prime is 70130701. The reversal of 70130700 is 703107.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (70130701) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24757 + ... + 27443.

Almost surely, 2^70130700 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 70130700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113742720).

70130700 is an abundant number, since it is smaller than the sum of its proper divisors (157354740).

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

70130700 is a wasteful number, since it uses less digits than its factorization.

70130700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 70130700 is about 8374.4074417239. The cubic root of 70130700 is about 412.3848714519.

Adding to 70130700 its reverse (703107), we get a palindrome (70833807).

The spelling of 70130700 in words is "seventy million, one hundred thirty thousand, seven hundred".