82678734 has 24 divisors (see below), whose sum is σ = 182950560. Its totient is φ = 26972928.

The previous prime is 82678727. The next prime is 82678741. The reversal of 82678734 is 43787628.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82678727) and next prime (82678741).

It is a self number, because there is not a number n which added to its sum of digits gives 82678734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48019 + ... + 49710.

It is an arithmetic number, because the mean of its divisors is an integer number (7622940).

Almost surely, 2^82678734 is an apocalyptic number.

82678734 is an abundant number, since it is smaller than the sum of its proper divisors (100271826).

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

82678734 is a wasteful number, since it uses less digits than its factorization.

82678734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97784 (or 97781 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 82678734 is about 9092.7847219650. The cubic root of 82678734 is about 435.6435342152.

The spelling of 82678734 in words is "eighty-two million, six hundred seventy-eight thousand, seven hundred thirty-four".