83521874 has 8 divisors (see below), whose sum is σ = 129324288. Its totient is φ = 40413780.

The previous prime is 83521847. The next prime is 83521897. The reversal of 83521874 is 47812538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673502 + ... + 673625.

It is an arithmetic number, because the mean of its divisors is an integer number (16165536).

Almost surely, 2^83521874 is an apocalyptic number.

83521874 is a deficient number, since it is larger than the sum of its proper divisors (45802414).

83521874 is a wasteful number, since it uses less digits than its factorization.

83521874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1347160.

The product of its digits is 53760, while the sum is 38.

The square root of 83521874 is about 9139.0302549012. The cubic root of 83521874 is about 437.1193951370.

The spelling of 83521874 in words is "eighty-three million, five hundred twenty-one thousand, eight hundred seventy-four".