83727642 has 32 divisors (see below), whose sum is σ = 178701120. Its totient is φ = 26075520.

The previous prime is 83727641. The next prime is 83727643. The reversal of 83727642 is 24672738.

It is an interprime number because it is at equal distance from previous prime (83727641) and next prime (83727643).

It is a self number, because there is not a number n which added to its sum of digits gives 83727642.

It is not an unprimeable number, because it can be changed into a prime (83727641) 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, 3292 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (5584410).

Almost surely, 2^83727642 is an apocalyptic number.

83727642 is an abundant number, since it is smaller than the sum of its proper divisors (94973478).

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

83727642 is a wasteful number, since it uses less digits than its factorization.

83727642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10158.

The product of its digits is 112896, while the sum is 39.

The square root of 83727642 is about 9150.2809792924. The cubic root of 83727642 is about 437.4780693225.

The spelling of 83727642 in words is "eighty-three million, seven hundred twenty-seven thousand, six hundred forty-two".