74642383 has 4 divisors (see below), whose sum is σ = 77887728. Its totient is φ = 71397040.

The previous prime is 74642341. The next prime is 74642387. The reversal of 74642383 is 38324647.

It is a happy number.

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 74642383 - 2⁹ = 74641871 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 (74642387) 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, 1622638 + ... + 1622683.

It is an arithmetic number, because the mean of its divisors is an integer number (19471932).

Almost surely, 2^74642383 is an apocalyptic number.

74642383 is a deficient number, since it is larger than the sum of its proper divisors (3245345).

74642383 is a wasteful number, since it uses less digits than its factorization.

74642383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245344.

The product of its digits is 96768, while the sum is 37.

The square root of 74642383 is about 8639.5823394421. The cubic root of 74642383 is about 421.0449847835.

The spelling of 74642383 in words is "seventy-four million, six hundred forty-two thousand, three hundred eighty-three".