70131300 has 72 divisors (see below), whose sum is σ = 209486592. Its totient is φ = 18096000.

The previous prime is 70131293. The next prime is 70131329. The reversal of 70131300 is 313107.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 70131300.

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, 5530 + ... + 13070.

It is an arithmetic number, because the mean of its divisors is an integer number (2909536).

Almost surely, 2^70131300 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 70131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104743296).

70131300 is an abundant number, since it is smaller than the sum of its proper divisors (139355292).

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

70131300 is a wasteful number, since it uses less digits than its factorization.

70131300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7589 (or 7582 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 15.

The square root of 70131300 is about 8374.4432650774. The cubic root of 70131300 is about 412.3860474952.

Adding to 70131300 its reverse (313107), we get a palindrome (70444407).

The spelling of 70131300 in words is "seventy million, one hundred thirty-one thousand, three hundred".