74427548 has 24 divisors (see below), whose sum is σ = 140873040. Its totient is φ = 34202880.

The previous prime is 74427533. The next prime is 74427557. The reversal of 74427548 is 84572447.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9563 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (5869710).

Almost surely, 2^74427548 is an apocalyptic number.

It is an amenable number.

74427548 is a deficient number, since it is larger than the sum of its proper divisors (66445492).

74427548 is a wasteful number, since it uses less digits than its factorization.

74427548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6197 (or 6195 counting only the distinct ones).

The product of its digits is 250880, while the sum is 41.

The square root of 74427548 is about 8627.1401982349. The cubic root of 74427548 is about 420.6406473855.

The spelling of 74427548 in words is "seventy-four million, four hundred twenty-seven thousand, five hundred forty-eight".