82304739 has 12 divisors (see below), whose sum is σ = 129692472. Its totient is φ = 49881600.

The previous prime is 82304723. The next prime is 82304759. The reversal of 82304739 is 93740328.

It is not a de Polignac number, because 82304739 - 2⁴ = 82304723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82304759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415582 + ... + 415779.

It is an arithmetic number, because the mean of its divisors is an integer number (10807706).

Almost surely, 2^82304739 is an apocalyptic number.

82304739 is a deficient number, since it is larger than the sum of its proper divisors (47387733).

82304739 is a wasteful number, since it uses less digits than its factorization.

82304739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831378 (or 831375 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 82304739 is about 9072.1959304239. The cubic root of 82304739 is about 434.9856673835.

The spelling of 82304739 in words is "eighty-two million, three hundred four thousand, seven hundred thirty-nine".