74367638 has 8 divisors (see below), whose sum is σ = 111610200. Its totient is φ = 37164240.

The previous prime is 74367637. The next prime is 74367661. The reversal of 74367638 is 83676347.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74367637) 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 3 ways as a sum of consecutive naturals, for example, 4463 + ... + 12986.

It is an arithmetic number, because the mean of its divisors is an integer number (13951275).

Almost surely, 2^74367638 is an apocalyptic number.

74367638 is a deficient number, since it is larger than the sum of its proper divisors (37242562).

74367638 is a wasteful number, since it uses less digits than its factorization.

74367638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19582.

The product of its digits is 508032, while the sum is 44.

The square root of 74367638 is about 8623.6673173308. The cubic root of 74367638 is about 420.5277530493.

The spelling of 74367638 in words is "seventy-four million, three hundred sixty-seven thousand, six hundred thirty-eight".