74442207 has 8 divisors (see below), whose sum is σ = 113435776. Its totient is φ = 42538392.

The previous prime is 74442197. The next prime is 74442211. The reversal of 74442207 is 70224447.

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

It is not a de Polignac number, because 74442207 - 2⁸ = 74441951 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 (74442227) 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 7 ways as a sum of consecutive naturals, for example, 1772413 + ... + 1772454.

It is an arithmetic number, because the mean of its divisors is an integer number (14179472).

Almost surely, 2^74442207 is an apocalyptic number.

74442207 is a deficient number, since it is larger than the sum of its proper divisors (38993569).

74442207 is a wasteful number, since it uses less digits than its factorization.

74442207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544877.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 74442207 is about 8627.9897426921. The cubic root of 74442207 is about 420.6682615626.

The spelling of 74442207 in words is "seventy-four million, four hundred forty-two thousand, two hundred seven".