74442093 has 8 divisors (see below), whose sum is σ = 108279456. Its totient is φ = 45116400.

The previous prime is 74442091. The next prime is 74442097. The reversal of 74442093 is 39024447.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74442093 - 2¹ = 74442091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2255821 = 74442093 / (7 + 4 + 4 + 4 + 2 + 0 + 9 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74442091) 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 7 ways as a sum of consecutive naturals, for example, 1127878 + ... + 1127943.

It is an arithmetic number, because the mean of its divisors is an integer number (13534932).

Almost surely, 2^74442093 is an apocalyptic number.

It is an amenable number.

74442093 is a deficient number, since it is larger than the sum of its proper divisors (33837363).

74442093 is a wasteful number, since it uses less digits than its factorization.

74442093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255835.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 74442093 is about 8627.9831362839. The cubic root of 74442093 is about 420.6680468269.

The spelling of 74442093 in words is "seventy-four million, four hundred forty-two thousand, ninety-three".