74187268 has 6 divisors (see below), whose sum is σ = 129827726. Its totient is φ = 37093632.

The previous prime is 74187233. The next prime is 74187299. The reversal of 74187268 is 86278147.

It can be written as a sum of positive squares in only one way, i.e., 68194564 + 5992704 = 8258^2 + 2448^2 .

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, 9273405 + ... + 9273412.

Almost surely, 2^74187268 is an apocalyptic number.

It is an amenable number.

74187268 is a deficient number, since it is larger than the sum of its proper divisors (55640458).

74187268 is a wasteful number, since it uses less digits than its factorization.

74187268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18546821 (or 18546819 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 74187268 is about 8613.2031207908. The cubic root of 74187268 is about 420.1874975391.

The spelling of 74187268 in words is "seventy-four million, one hundred eighty-seven thousand, two hundred sixty-eight".