67974469 has 4 divisors (see below), whose sum is σ = 68274144. Its totient is φ = 67674796.

The previous prime is 67974451. The next prime is 67974479. The reversal of 67974469 is 96447976.

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 67974469 - 2⁵ = 67974437 is a prime.

It is a super-2 number, since 2×67974469² = 9241056871663922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67974409) 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, 149497 + ... + 149950.

It is an arithmetic number, because the mean of its divisors is an integer number (17068536).

Almost surely, 2^67974469 is an apocalyptic number.

It is an amenable number.

67974469 is a deficient number, since it is larger than the sum of its proper divisors (299675).

67974469 is a wasteful number, since it uses less digits than its factorization.

67974469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299674.

The product of its digits is 2286144, while the sum is 52.

The square root of 67974469 is about 8244.6630616418. The cubic root of 67974469 is about 408.1144210834.

The spelling of 67974469 in words is "sixty-seven million, nine hundred seventy-four thousand, four hundred sixty-nine".