82100274 has 16 divisors (see below), whose sum is σ = 165827520. Its totient is φ = 27095600.

The previous prime is 82100267. The next prime is 82100279. The reversal of 82100274 is 47200128.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82100279) 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, 67134 + ... + 68345.

It is an arithmetic number, because the mean of its divisors is an integer number (10364220).

Almost surely, 2^82100274 is an apocalyptic number.

82100274 is an abundant number, since it is smaller than the sum of its proper divisors (83727246).

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

82100274 is a wasteful number, since it uses less digits than its factorization.

82100274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135585.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 82100274 is about 9060.9201519492. The cubic root of 82100274 is about 434.6251652773.

The spelling of 82100274 in words is "eighty-two million, one hundred thousand, two hundred seventy-four".