70062139 has 16 divisors (see below), whose sum is σ = 87009280. Its totient is φ = 55054080.

The previous prime is 70062121. The next prime is 70062143. The reversal of 70062139 is 93126007.

It is a cyclic number.

It is not a de Polignac number, because 70062139 - 2⁵ = 70062107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70062149) 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 15 ways as a sum of consecutive naturals, for example, 4374 + ... + 12619.

It is an arithmetic number, because the mean of its divisors is an integer number (5438080).

Almost surely, 2^70062139 is an apocalyptic number.

70062139 is a deficient number, since it is larger than the sum of its proper divisors (16947141).

70062139 is a wasteful number, since it uses less digits than its factorization.

70062139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17050.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 70062139 is about 8370.3129571122. The cubic root of 70062139 is about 412.2504427460.

The spelling of 70062139 in words is "seventy million, sixty-two thousand, one hundred thirty-nine".