82791460 has 12 divisors (see below), whose sum is σ = 173862108. Its totient is φ = 33116576.

The previous prime is 82791439. The next prime is 82791497. The reversal of 82791460 is 6419728.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 37552384 = 6726^2 + 6128^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069767 + ... + 2069806.

It is an arithmetic number, because the mean of its divisors is an integer number (14488509).

Almost surely, 2^82791460 is an apocalyptic number.

It is an amenable number.

82791460 is an abundant number, since it is smaller than the sum of its proper divisors (91070648).

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

82791460 is a wasteful number, since it uses less digits than its factorization.

82791460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139582 (or 4139580 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 82791460 is about 9098.9812616578. The cubic root of 82791460 is about 435.8414329537.

The spelling of 82791460 in words is "eighty-two million, seven hundred ninety-one thousand, four hundred sixty".