74430863 has 4 divisors (see below), whose sum is σ = 80156328. Its totient is φ = 68705400.

The previous prime is 74430857. The next prime is 74430869. The reversal of 74430863 is 36803447.

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

It is an interprime number because it is at equal distance from previous prime (74430857) and next prime (74430869).

It is a cyclic number.

It is not a de Polignac number, because 74430863 - 2⁶ = 74430799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74430869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862713 + ... + 2862738.

It is an arithmetic number, because the mean of its divisors is an integer number (20039082).

Almost surely, 2^74430863 is an apocalyptic number.

74430863 is a deficient number, since it is larger than the sum of its proper divisors (5725465).

74430863 is a wasteful number, since it uses less digits than its factorization.

74430863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5725464.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 74430863 is about 8627.3323223346. The cubic root of 74430863 is about 420.6468923987.

The spelling of 74430863 in words is "seventy-four million, four hundred thirty thousand, eight hundred sixty-three".