70057142 has 16 divisors (see below), whose sum is σ = 111432240. Its totient is φ = 32940288.

The previous prime is 70057133. The next prime is 70057147. The reversal of 70057142 is 24175007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70057147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523 + ... + 11934.

It is an arithmetic number, because the mean of its divisors is an integer number (6964515).

Almost surely, 2^70057142 is an apocalyptic number.

70057142 is a deficient number, since it is larger than the sum of its proper divisors (41375098).

70057142 is a wasteful number, since it uses less digits than its factorization.

70057142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13615.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 70057142 is about 8370.0144563794. The cubic root of 70057142 is about 412.2406416158.

The spelling of 70057142 in words is "seventy million, fifty-seven thousand, one hundred forty-two".