74154474 has 32 divisors (see below), whose sum is σ = 165090240. Its totient is φ = 24672816.

The previous prime is 74154427. The next prime is 74154481. The reversal of 74154474 is 47445147.

It is a happy number.

74154474 is a `hidden beast` number, since 7 + 41 + 544 + 74 = 666.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42177 + ... + 43899.

It is an arithmetic number, because the mean of its divisors is an integer number (5159070).

Almost surely, 2^74154474 is an apocalyptic number.

74154474 is an abundant number, since it is smaller than the sum of its proper divisors (90935766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74154474 is a wasteful number, since it uses less digits than its factorization.

74154474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531 (or 2525 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 74154474 is about 8611.2992051142. The cubic root of 74154474 is about 420.1255746959.

The spelling of 74154474 in words is "seventy-four million, one hundred fifty-four thousand, four hundred seventy-four".