78182132 has 12 divisors (see below), whose sum is σ = 156364320. Its totient is φ = 33506616.

The previous prime is 78182123. The next prime is 78182149. The reversal of 78182132 is 23128187.

78182132 is an admirable number.

It is a super-2 number, since 2×78182132² = 12224891528130848, which contains 22 as substring.

It is a congruent number.

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, 1396082 + ... + 1396137.

It is an arithmetic number, because the mean of its divisors is an integer number (13030360).

Almost surely, 2^78182132 is an apocalyptic number.

It is an amenable number.

78182132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78182132 is a wasteful number, since it uses less digits than its factorization.

78182132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2792230 (or 2792228 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 78182132 is about 8842.0660481587. The cubic root of 78182132 is about 427.5981685798.

The spelling of 78182132 in words is "seventy-eight million, one hundred eighty-two thousand, one hundred thirty-two".