82688734 has 4 divisors (see below), whose sum is σ = 124033104. Its totient is φ = 41344366.

The previous prime is 82688719. The next prime is 82688783. The reversal of 82688734 is 43788628.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20672182 + ... + 20672185.

It is an arithmetic number, because the mean of its divisors is an integer number (31008276).

Almost surely, 2^82688734 is an apocalyptic number.

82688734 is a deficient number, since it is larger than the sum of its proper divisors (41344370).

82688734 is a wasteful number, since it uses less digits than its factorization.

82688734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41344369.

The product of its digits is 516096, while the sum is 46.

The square root of 82688734 is about 9093.3345918865. The cubic root of 82688734 is about 435.6610972148.

The spelling of 82688734 in words is "eighty-two million, six hundred eighty-eight thousand, seven hundred thirty-four".