70143717 has 32 divisors (see below), whose sum is σ = 115064064. Its totient is φ = 37094400.

The previous prime is 70143701. The next prime is 70143737. The reversal of 70143717 is 71734107.

It is not a de Polignac number, because 70143717 - 2⁴ = 70143701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70143737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20167 + ... + 23387.

It is an arithmetic number, because the mean of its divisors is an integer number (3595752).

Almost surely, 2^70143717 is an apocalyptic number.

It is an amenable number.

70143717 is a deficient number, since it is larger than the sum of its proper divisors (44920347).

70143717 is a wasteful number, since it uses less digits than its factorization.

70143717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309.

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 70143717 is about 8375.1845949806. The cubic root of 70143717 is about 412.4103842054.

It can be divided in two parts, 7014 and 3717, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 70143717 in words is "seventy million, one hundred forty-three thousand, seven hundred seventeen".