68042469 has 16 divisors (see below), whose sum is σ = 101274624. Its totient is φ = 40278000.

The previous prime is 68042459. The next prime is 68042473. The reversal of 68042469 is 96424086.

It is not a de Polignac number, because 68042469 - 2⁷ = 68042341 is a prime.

It is a super-2 number, since 2×68042469² = 9259555175231922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68042419) 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, 22557 + ... + 25394.

It is an arithmetic number, because the mean of its divisors is an integer number (6329664).

Almost surely, 2^68042469 is an apocalyptic number.

It is an amenable number.

68042469 is a deficient number, since it is larger than the sum of its proper divisors (33232155).

68042469 is a wasteful number, since it uses less digits than its factorization.

68042469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48008.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68042469 is about 8248.7859106659. The cubic root of 68042469 is about 408.2504649643.

The spelling of 68042469 in words is "sixty-eight million, forty-two thousand, four hundred sixty-nine".