68774169 has 4 divisors (see below), whose sum is σ = 91698896. Its totient is φ = 45849444.

The previous prime is 68774131. The next prime is 68774177. The reversal of 68774169 is 96147786.

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 not a de Polignac number, because 68774169 - 2¹⁷ = 68643097 is a prime.

It is a super-2 number, since 2×68774169² = 9459772643281122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68774369) 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 3 ways as a sum of consecutive naturals, for example, 11462359 + ... + 11462364.

It is an arithmetic number, because the mean of its divisors is an integer number (22924724).

Almost surely, 2^68774169 is an apocalyptic number.

It is an amenable number.

68774169 is a deficient number, since it is larger than the sum of its proper divisors (22924727).

68774169 is a wasteful number, since it uses less digits than its factorization.

68774169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22924726.

The product of its digits is 508032, while the sum is 48.

The square root of 68774169 is about 8293.0192933575. The cubic root of 68774169 is about 409.7086349507.

The spelling of 68774169 in words is "sixty-eight million, seven hundred seventy-four thousand, one hundred sixty-nine".