70294143 has 16 divisors (see below), whose sum is σ = 98342912. Its totient is φ = 44604000.

The previous prime is 70294127. The next prime is 70294171. The reversal of 70294143 is 34149207.

It is a happy number.

It is not a de Polignac number, because 70294143 - 2⁴ = 70294127 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 70294143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70294123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (6146432).

Almost surely, 2^70294143 is an apocalyptic number.

70294143 is a deficient number, since it is larger than the sum of its proper divisors (28048769).

70294143 is a wasteful number, since it uses less digits than its factorization.

70294143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 70294143 is about 8384.1602441747. The cubic root of 70294143 is about 412.7049838871.

The spelling of 70294143 in words is "seventy million, two hundred ninety-four thousand, one hundred forty-three".