82747146 has 32 divisors (see below), whose sum is σ = 175633920. Its totient is φ = 25933424.

The previous prime is 82747103. The next prime is 82747183. The reversal of 82747146 is 64174728.

It is a super-2 number, since 2×82747146² = 13694180342290632, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3061 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^82747146 is an apocalyptic number.

82747146 is an abundant number, since it is smaller than the sum of its proper divisors (92886774).

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

82747146 is a wasteful number, since it uses less digits than its factorization.

82747146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250.

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

The square root of 82747146 is about 9096.5458279503. The cubic root of 82747146 is about 435.7636579263.

The spelling of 82747146 in words is "eighty-two million, seven hundred forty-seven thousand, one hundred forty-six".