82744730 has 16 divisors (see below), whose sum is σ = 149052960. Its totient is φ = 33072912.

The previous prime is 82744723. The next prime is 82744747. The reversal of 82744730 is 3744728.

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, 16901 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (9315810).

Almost surely, 2^82744730 is an apocalyptic number.

82744730 is a deficient number, since it is larger than the sum of its proper divisors (66308230).

82744730 is a wasteful number, since it uses less digits than its factorization.

82744730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 82744730 is about 9096.4130293210. The cubic root of 82744730 is about 435.7594168325.

The spelling of 82744730 in words is "eighty-two million, seven hundred forty-four thousand, seven hundred thirty".