82380712 has 16 divisors (see below), whose sum is σ = 155042100. Its totient is φ = 41036160.

The previous prime is 82380673. The next prime is 82380743. The reversal of 82380712 is 21708328.

It can be written as a sum of positive squares in 2 ways, for example, as 82192356 + 188356 = 9066^2 + 434^2 .

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, 16989 + ... + 21292.

Almost surely, 2^82380712 is an apocalyptic number.

It is an amenable number.

82380712 is a deficient number, since it is larger than the sum of its proper divisors (72661388).

82380712 is a wasteful number, since it uses less digits than its factorization.

82380712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38556 (or 38552 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 82380712 is about 9076.3820986118. The cubic root of 82380712 is about 435.1194669008.

The spelling of 82380712 in words is "eighty-two million, three hundred eighty thousand, seven hundred twelve".