67864623 has 8 divisors (see below), whose sum is σ = 92931888. Its totient is φ = 44020224.

The previous prime is 67864597. The next prime is 67864631. The reversal of 67864623 is 32646876.

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

It is not a de Polignac number, because 67864623 - 2²² = 63670319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67864123) 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 7 ways as a sum of consecutive naturals, for example, 305586 + ... + 305807.

It is an arithmetic number, because the mean of its divisors is an integer number (11616486).

Almost surely, 2^67864623 is an apocalyptic number.

67864623 is a deficient number, since it is larger than the sum of its proper divisors (25067265).

67864623 is a wasteful number, since it uses less digits than its factorization.

67864623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611433.

The product of its digits is 290304, while the sum is 42.

The square root of 67864623 is about 8237.9987254187. The cubic root of 67864623 is about 407.8944664093.

The spelling of 67864623 in words is "sixty-seven million, eight hundred sixty-four thousand, six hundred twenty-three".