82078734 has 8 divisors (see below), whose sum is σ = 164157480. Its totient is φ = 27359576.

The previous prime is 82078723. The next prime is 82078739. The reversal of 82078734 is 43787028.

It is a sphenic number, since it is the product of 3 distinct primes.

82078734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 82078692 and 82078701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82078739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6839889 + ... + 6839900.

It is an arithmetic number, because the mean of its divisors is an integer number (20519685).

Almost surely, 2^82078734 is an apocalyptic number.

82078734 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.

82078734 is a wasteful number, since it uses less digits than its factorization.

82078734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13679794.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 82078734 is about 9059.7314529736. The cubic root of 82078734 is about 434.5871522295.

The spelling of 82078734 in words is "eighty-two million, seventy-eight thousand, seven hundred thirty-four".