82742441 has 4 divisors (see below), whose sum is σ = 85411584. Its totient is φ = 80073300.

The previous prime is 82742437. The next prime is 82742447. The reversal of 82742441 is 14424728.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82742441 - 2² = 82742437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82742398 and 82742407.

It is not an unprimeable number, because it can be changed into a prime (82742447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334525 + ... + 1334586.

It is an arithmetic number, because the mean of its divisors is an integer number (21352896).

Almost surely, 2^82742441 is an apocalyptic number.

It is an amenable number.

82742441 is a deficient number, since it is larger than the sum of its proper divisors (2669143).

82742441 is a wasteful number, since it uses less digits than its factorization.

82742441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669142.

The product of its digits is 14336, while the sum is 32.

The square root of 82742441 is about 9096.2872096257. The cubic root of 82742441 is about 435.7553986007.

The spelling of 82742441 in words is "eighty-two million, seven hundred forty-two thousand, four hundred forty-one".