82742941 has 4 divisors (see below), whose sum is σ = 83790400. Its totient is φ = 81695484.

The previous prime is 82742921. The next prime is 82742951. The reversal of 82742941 is 14924728.

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 82742941 - 2⁵ = 82742909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82742941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82742921) 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, 523611 + ... + 523768.

It is an arithmetic number, because the mean of its divisors is an integer number (20947600).

Almost surely, 2^82742941 is an apocalyptic number.

It is an amenable number.

82742941 is a deficient number, since it is larger than the sum of its proper divisors (1047459).

82742941 is a wasteful number, since it uses less digits than its factorization.

82742941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047458.

The product of its digits is 32256, while the sum is 37.

The square root of 82742941 is about 9096.3146933250. The cubic root of 82742941 is about 435.7562763335.

The spelling of 82742941 in words is "eighty-two million, seven hundred forty-two thousand, nine hundred forty-one".