74442305 has 8 divisors (see below), whose sum is σ = 102092352. Its totient is φ = 51046128.

The previous prime is 74442271. The next prime is 74442307. The reversal of 74442305 is 50324447.

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

It is not a de Polignac number, because 74442305 - 2⁶ = 74442241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74442307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063427 + ... + 1063496.

It is an arithmetic number, because the mean of its divisors is an integer number (12761544).

Almost surely, 2^74442305 is an apocalyptic number.

It is an amenable number.

74442305 is a deficient number, since it is larger than the sum of its proper divisors (27650047).

74442305 is a wasteful number, since it uses less digits than its factorization.

74442305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2126935.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 74442305 is about 8627.9954218810. The cubic root of 74442305 is about 420.6684461598.

It can be divided in two parts, 74442 and 305, that added together give a palindrome (74747).

The spelling of 74442305 in words is "seventy-four million, four hundred forty-two thousand, three hundred five".