70130052 has 36 divisors (see below), whose sum is σ = 178279920. Its totient is φ = 23243952.

The previous prime is 70130051. The next prime is 70130069. The reversal of 70130052 is 25003107.

It is a tau number, because it is divible by the number of its divisors (36).

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 (70130051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1003 + ... + 11885.

It is an arithmetic number, because the mean of its divisors is an integer number (4952220).

Almost surely, 2^70130052 is an apocalyptic number.

It is an amenable number.

70130052 is an abundant number, since it is smaller than the sum of its proper divisors (108149868).

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

70130052 is a wasteful number, since it uses less digits than its factorization.

70130052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072 (or 11067 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 70130052 is about 8374.3687523299. The cubic root of 70130052 is about 412.3836013176.

Adding to 70130052 its reverse (25003107), we get a palindrome (95133159).

The spelling of 70130052 in words is "seventy million, one hundred thirty thousand, fifty-two".