74548 has 6 divisors (see below), whose sum is σ = 130466. Its totient is φ = 37272.

The previous prime is 74531. The next prime is 74551. The reversal of 74548 is 84547.

It can be written as a sum of positive squares in only one way, i.e., 39204 + 35344 = 198^2 + 188^2 .

It is an Ulam number.

It is a plaindrome in base 16.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 9315 + ... + 9322.

2⁷⁴⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

74548 is a deficient number, since it is larger than the sum of its proper divisors (55918).

74548 is a wasteful number, since it uses less digits than its factorization.

74548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18641 (or 18639 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 74548 is about 273.0347963172. The cubic root of 74548 is about 42.0867443782.

Subtracting 74548 from its reverse (84547), we obtain a palindrome (9999).

The spelling of 74548 in words is "seventy-four thousand, five hundred forty-eight".