74545268 has 18 divisors (see below), whose sum is σ = 151753266. Its totient is φ = 31947888.

The previous prime is 74545253. The next prime is 74545291. The reversal of 74545268 is 86254547.

It can be written as a sum of positive squares in only one way, i.e., 41113744 + 33431524 = 6412^2 + 5782^2 .

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 189971 + ... + 190362.

It is an arithmetic number, because the mean of its divisors is an integer number (8430737).

Almost surely, 2^74545268 is an apocalyptic number.

It is an amenable number.

74545268 is an abundant number, since it is smaller than the sum of its proper divisors (77207998).

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

74545268 is a wasteful number, since it uses less digits than its factorization.

74545268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380351 (or 380342 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 74545268 is about 8633.9601574249. The cubic root of 74545268 is about 420.8623024683.

The spelling of 74545268 in words is "seventy-four million, five hundred forty-five thousand, two hundred sixty-eight".