74636 has 12 divisors (see below), whose sum is σ = 133728. Its totient is φ = 36432.

The previous prime is 74623. The next prime is 74653. The reversal of 74636 is 63647.

It is an Ulam number.

It is a plaindrome in base 9 and base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 74636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 386.

It is an arithmetic number, because the mean of its divisors is an integer number (11144).

2⁷⁴⁶³⁶ is an apocalyptic number.

It is an amenable number.

74636 is a deficient number, since it is larger than the sum of its proper divisors (59092).

74636 is a wasteful number, since it uses less digits than its factorization.

74636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its digits is 3024, while the sum is 26.

The square root of 74636 is about 273.1959004085. The cubic root of 74636 is about 42.1032982636.

The spelling of 74636 in words is "seventy-four thousand, six hundred thirty-six".