82785732 has 24 divisors (see below), whose sum is σ = 196442400. Its totient is φ = 27127296.

The previous prime is 82785727. The next prime is 82785737. The reversal of 82785732 is 23758728.

It is an interprime number because it is at equal distance from previous prime (82785727) and next prime (82785737).

It is not an unprimeable number, because it can be changed into a prime (82785737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57757 + ... + 59172.

It is an arithmetic number, because the mean of its divisors is an integer number (8185100).

Almost surely, 2^82785732 is an apocalyptic number.

It is an amenable number.

82785732 is an abundant number, since it is smaller than the sum of its proper divisors (113656668).

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

82785732 is a wasteful number, since it uses less digits than its factorization.

82785732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116995 (or 116993 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 82785732 is about 9098.6664957014. Note that the first 3 decimals coincide. The cubic root of 82785732 is about 435.8313813642.

The spelling of 82785732 in words is "eighty-two million, seven hundred eighty-five thousand, seven hundred thirty-two".