70142086 has 16 divisors (see below), whose sum is σ = 120748320. Its totient is φ = 29934720.

The previous prime is 70142081. The next prime is 70142089. The reversal of 70142086 is 68024107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70142081) 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, 7021 + ... + 13768.

It is an arithmetic number, because the mean of its divisors is an integer number (7546770).

Almost surely, 2^70142086 is an apocalyptic number.

70142086 is a deficient number, since it is larger than the sum of its proper divisors (50606234).

70142086 is a wasteful number, since it uses less digits than its factorization.

70142086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21039.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 70142086 is about 8375.0872234264. The cubic root of 70142086 is about 412.4071876894.

The spelling of 70142086 in words is "seventy million, one hundred forty-two thousand, eighty-six".