68562369 has 20 divisors (see below), whose sum is σ = 105193044. Its totient is φ = 44470944.

The previous prime is 68562367. The next prime is 68562391. The reversal of 68562369 is 96326586.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61027344 + 7535025 = 7812^2 + 2745^2 .

It is not a de Polignac number, because 68562369 - 2¹ = 68562367 is a prime.

It is a super-2 number, since 2×68562369² = 9401596885784322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68562367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8442 + ... + 14435.

Almost surely, 2^68562369 is an apocalyptic number.

It is an amenable number.

68562369 is a deficient number, since it is larger than the sum of its proper divisors (36630675).

68562369 is a wasteful number, since it uses less digits than its factorization.

68562369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22926 (or 22917 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 68562369 is about 8280.2396704443. The cubic root of 68562369 is about 409.2876167936.

The spelling of 68562369 in words is "sixty-eight million, five hundred sixty-two thousand, three hundred sixty-nine".