82434774 has 16 divisors (see below), whose sum is σ = 165309120. Its totient is φ = 27405000.

The previous prime is 82434767. The next prime is 82434799. The reversal of 82434774 is 47743428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15852 + ... + 20399.

It is an arithmetic number, because the mean of its divisors is an integer number (10331820).

Almost surely, 2^82434774 is an apocalyptic number.

82434774 is an abundant number, since it is smaller than the sum of its proper divisors (82874346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82434774 is a wasteful number, since it uses less digits than its factorization.

82434774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36635.

The product of its digits is 150528, while the sum is 39.

The square root of 82434774 is about 9079.3597791915. The cubic root of 82434774 is about 435.2146278683.

The spelling of 82434774 in words is "eighty-two million, four hundred thirty-four thousand, seven hundred seventy-four".