82081460 has 24 divisors (see below), whose sum is σ = 172629576. Its totient is φ = 32783360.

The previous prime is 82081427. The next prime is 82081481. The reversal of 82081460 is 6418028.

It can be written as a sum of positive squares in 4 ways, for example, as 4571044 + 77510416 = 2138^2 + 8804^2 .

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, 12524 + ... + 17916.

It is an arithmetic number, because the mean of its divisors is an integer number (7192899).

Almost surely, 2^82081460 is an apocalyptic number.

It is an amenable number.

82081460 is an abundant number, since it is smaller than the sum of its proper divisors (90548116).

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

82081460 is a wasteful number, since it uses less digits than its factorization.

82081460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163 (or 6161 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 82081460 is about 9059.8818976850. The cubic root of 82081460 is about 434.5919633477.

Adding to 82081460 its reverse (6418028), we get a palindrome (88499488).

The spelling of 82081460 in words is "eighty-two million, eighty-one thousand, four hundred sixty".