70140348 has 18 divisors (see below), whose sum is σ = 177299304. Its totient is φ = 23380104.

The previous prime is 70140341. The next prime is 70140349. The reversal of 70140348 is 84304107.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×70140348² = 9839336835122208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70140341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 974136 + ... + 974207.

Almost surely, 2^70140348 is an apocalyptic number.

It is an amenable number.

70140348 is an abundant number, since it is smaller than the sum of its proper divisors (107158956).

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

70140348 is a wasteful number, since it uses less digits than its factorization.

70140348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948353 (or 1948348 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 70140348 is about 8374.9834626702. The cubic root of 70140348 is about 412.4037814148.

The spelling of 70140348 in words is "seventy million, one hundred forty thousand, three hundred forty-eight".