70342144 has 20 divisors (see below), whose sum is σ = 140547924. Its totient is φ = 35170816.

The previous prime is 70342117. The next prime is 70342177. The reversal of 70342144 is 44124307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68182 + ... + 69205.

Almost surely, 2^70342144 is an apocalyptic number.

It is an amenable number.

70342144 is a deficient number, since it is larger than the sum of its proper divisors (70205780).

70342144 is an equidigital number, since it uses as much as digits as its factorization.

70342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137405 (or 137389 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 70342144 is about 8387.0223559974. The cubic root of 70342144 is about 412.7989023066.

The spelling of 70342144 in words is "seventy million, three hundred forty-two thousand, one hundred forty-four".