74154428 has 12 divisors (see below), whose sum is σ = 130265520. Its totient is φ = 36935712.

The previous prime is 74154427. The next prime is 74154481. The reversal of 74154428 is 82445147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74154427) 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, 34193 + ... + 36296.

It is an arithmetic number, because the mean of its divisors is an integer number (10855460).

Almost surely, 2^74154428 is an apocalyptic number.

It is an amenable number.

74154428 is a deficient number, since it is larger than the sum of its proper divisors (56111092).

74154428 is a wasteful number, since it uses less digits than its factorization.

74154428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70756 (or 70754 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 74154428 is about 8611.2965342044. The cubic root of 74154428 is about 420.1254878242.

The spelling of 74154428 in words is "seventy-four million, one hundred fifty-four thousand, four hundred twenty-eight".