70142319 has 48 divisors (see below), whose sum is σ = 116188800. Its totient is φ = 40419648.

The previous prime is 70142311. The next prime is 70142321. The reversal of 70142319 is 91324107.

It is not a de Polignac number, because 70142319 - 2³ = 70142311 is a prime.

It is a super-2 number, since 2×70142319² = 9839889829395522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70142292 and 70142301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70142311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308884 + ... + 309110.

It is an arithmetic number, because the mean of its divisors is an integer number (2420600).

Almost surely, 2^70142319 is an apocalyptic number.

70142319 is a deficient number, since it is larger than the sum of its proper divisors (46046481).

70142319 is a wasteful number, since it uses less digits than its factorization.

70142319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 70142319 is about 8375.1011337177. The cubic root of 70142319 is about 412.4076443376.

The spelling of 70142319 in words is "seventy million, one hundred forty-two thousand, three hundred nineteen".