74685634 has 8 divisors (see below), whose sum is σ = 115642368. Its totient is φ = 36138180.

The previous prime is 74685631. The next prime is 74685649. The reversal of 74685634 is 43658647.

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

It is not an unprimeable number, because it can be changed into a prime (74685631) 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, 602242 + ... + 602365.

It is an arithmetic number, because the mean of its divisors is an integer number (14455296).

Almost surely, 2^74685634 is an apocalyptic number.

74685634 is a deficient number, since it is larger than the sum of its proper divisors (40956734).

74685634 is a wasteful number, since it uses less digits than its factorization.

74685634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204640.

The product of its digits is 483840, while the sum is 43.

The square root of 74685634 is about 8642.0850493385. The cubic root of 74685634 is about 421.1262929256.

The spelling of 74685634 in words is "seventy-four million, six hundred eighty-five thousand, six hundred thirty-four".