74300287 has 4 divisors (see below), whose sum is σ = 74330136. Its totient is φ = 74270440.

The previous prime is 74300269. The next prime is 74300309. The reversal of 74300287 is 78200347.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74300287 - 2¹¹ = 74298239 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74300227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10813 + ... + 16294.

It is an arithmetic number, because the mean of its divisors is an integer number (18582534).

Almost surely, 2^74300287 is an apocalyptic number.

74300287 is a deficient number, since it is larger than the sum of its proper divisors (29849).

74300287 is a wasteful number, since it uses less digits than its factorization.

74300287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29848.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 74300287 is about 8619.7614236126. The cubic root of 74300287 is about 420.4007644828.

The spelling of 74300287 in words is "seventy-four million, three hundred thousand, two hundred eighty-seven".