70340172 has 48 divisors (see below), whose sum is σ = 190159872. Its totient is φ = 19820160.

The previous prime is 70340119. The next prime is 70340183. The reversal of 70340172 is 27104307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397 + ... + 11867.

It is an arithmetic number, because the mean of its divisors is an integer number (3961664).

Almost surely, 2^70340172 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 70340172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95079936).

70340172 is an abundant number, since it is smaller than the sum of its proper divisors (119819700).

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

70340172 is a wasteful number, since it uses less digits than its factorization.

70340172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558 (or 11556 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 70340172 is about 8386.9047925918. The cubic root of 70340172 is about 412.7950447470.

Adding to 70340172 its reverse (27104307), we get a palindrome (97444479).

The spelling of 70340172 in words is "seventy million, three hundred forty thousand, one hundred seventy-two".