67874389 has 8 divisors (see below), whose sum is σ = 74321280. Its totient is φ = 61473600.

The previous prime is 67874381. The next prime is 67874399. The reversal of 67874389 is 98347876.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 67874389 - 2³ = 67874381 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67874381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8404 + ... + 14365.

It is an arithmetic number, because the mean of its divisors is an integer number (9290160).

Almost surely, 2^67874389 is an apocalyptic number.

It is an amenable number.

67874389 is a deficient number, since it is larger than the sum of its proper divisors (6446891).

67874389 is a wasteful number, since it uses less digits than its factorization.

67874389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23051.

The product of its digits is 2032128, while the sum is 52.

The square root of 67874389 is about 8238.5914451440. The cubic root of 67874389 is about 407.9140313712.

The spelling of 67874389 in words is "sixty-seven million, eight hundred seventy-four thousand, three hundred eighty-nine".