83429713 has 4 divisors (see below), whose sum is σ = 83504740. Its totient is φ = 83354688.

The previous prime is 83429707. The next prime is 83429771. The reversal of 83429713 is 31792438.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30547729 + 52881984 = 5527^2 + 7272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83429713 is a prime.

It is a super-2 number, since 2×83429713² = 13921034022524738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83420713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35820 + ... + 38077.

It is an arithmetic number, because the mean of its divisors is an integer number (20876185).

Almost surely, 2^83429713 is an apocalyptic number.

It is an amenable number.

83429713 is a deficient number, since it is larger than the sum of its proper divisors (75027).

83429713 is a wasteful number, since it uses less digits than its factorization.

83429713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75026.

The product of its digits is 36288, while the sum is 37.

The square root of 83429713 is about 9133.9866980416. The cubic root of 83429713 is about 436.9585582800.

The spelling of 83429713 in words is "eighty-three million, four hundred twenty-nine thousand, seven hundred thirteen".