82537642 has 32 divisors (see below), whose sum is σ = 139688064. Its totient is φ = 36254400.

The previous prime is 82537613. The next prime is 82537643. The reversal of 82537642 is 24673528.

It is not an unprimeable number, because it can be changed into a prime (82537643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82288 + ... + 83284.

It is an arithmetic number, because the mean of its divisors is an integer number (4365252).

Almost surely, 2^82537642 is an apocalyptic number.

82537642 is a deficient number, since it is larger than the sum of its proper divisors (57150422).

82537642 is a wasteful number, since it uses less digits than its factorization.

82537642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134.

The product of its digits is 80640, while the sum is 37.

The square root of 82537642 is about 9085.0229498885. The cubic root of 82537642 is about 435.3955832540.

The spelling of 82537642 in words is "eighty-two million, five hundred thirty-seven thousand, six hundred forty-two".