82774460 has 12 divisors (see below), whose sum is σ = 173826408. Its totient is φ = 33109776.

The previous prime is 82774459. The next prime is 82774501. The reversal of 82774460 is 6447728.

It is a super-2 number, since 2×82774460² = 13703222456583200, 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, 2069342 + ... + 2069381.

It is an arithmetic number, because the mean of its divisors is an integer number (14485534).

Almost surely, 2^82774460 is an apocalyptic number.

It is an amenable number.

82774460 is an abundant number, since it is smaller than the sum of its proper divisors (91051948).

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

82774460 is a wasteful number, since it uses less digits than its factorization.

82774460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138732 (or 4138730 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 82774460 is about 9098.0470431846. The cubic root of 82774460 is about 435.8115997174.

The spelling of 82774460 in words is "eighty-two million, seven hundred seventy-four thousand, four hundred sixty".