70130842 has 8 divisors (see below), whose sum is σ = 105286356. Its totient is φ = 35035392.

The previous prime is 70130813. The next prime is 70130849. The reversal of 70130842 is 24803107.

It can be written as a sum of positive squares in 2 ways, for example, as 65108761 + 5022081 = 8069^2 + 2241^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (70130849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11973 + ... + 16840.

Almost surely, 2^70130842 is an apocalyptic number.

70130842 is a deficient number, since it is larger than the sum of its proper divisors (35155514).

70130842 is a wasteful number, since it uses less digits than its factorization.

70130842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30032.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 70130842 is about 8374.4159199314. The cubic root of 70130842 is about 412.3851497828.

Adding to 70130842 its reverse (24803107), we get a palindrome (94933949).

The spelling of 70130842 in words is "seventy million, one hundred thirty thousand, eight hundred forty-two".