82742469 has 8 divisors (see below), whose sum is σ = 113014272. Its totient is φ = 53816160.

The previous prime is 82742461. The next prime is 82742479. The reversal of 82742469 is 96424728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82742469 - 2³ = 82742461 is a prime.

It is a super-2 number, since 2×82742469² = 13692632352431922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82742469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82742461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336229 + ... + 336474.

It is an arithmetic number, because the mean of its divisors is an integer number (14126784).

Almost surely, 2^82742469 is an apocalyptic number.

It is an amenable number.

82742469 is a deficient number, since it is larger than the sum of its proper divisors (30271803).

82742469 is a wasteful number, since it uses less digits than its factorization.

82742469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672747.

The product of its digits is 193536, while the sum is 42.

The square root of 82742469 is about 9096.2887487150. The cubic root of 82742469 is about 435.7554477538.

The spelling of 82742469 in words is "eighty-two million, seven hundred forty-two thousand, four hundred sixty-nine".