70013740 has 12 divisors (see below), whose sum is σ = 147028896. Its totient is φ = 28005488.

The previous prime is 70013693. The next prime is 70013747. The reversal of 70013740 is 4731007.

It is not an unprimeable number, because it can be changed into a prime (70013747) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1750324 + ... + 1750363.

It is an arithmetic number, because the mean of its divisors is an integer number (12252408).

Almost surely, 2^70013740 is an apocalyptic number.

It is an amenable number.

70013740 is an abundant number, since it is smaller than the sum of its proper divisors (77015156).

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

70013740 is a wasteful number, since it uses less digits than its factorization.

70013740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500696 (or 3500694 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 70013740 is about 8367.4213471057. The cubic root of 70013740 is about 412.1554931977.

Adding to 70013740 its reverse (4731007), we get a palindrome (74744747).

The spelling of 70013740 in words is "seventy million, thirteen thousand, seven hundred forty".