74342521267 has 16 divisors (see below), whose sum is σ = 86890291200. Its totient is φ = 62292578400.

The previous prime is 74342521261. The next prime is 74342521283. The reversal of 74342521267 is 76212524347.

It is a cyclic number.

It is not a de Polignac number, because 74342521267 - 2¹⁹ = 74341996979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74342521261) 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 15 ways as a sum of consecutive naturals, for example, 609667 + ... + 721372.

It is an arithmetic number, because the mean of its divisors is an integer number (5430643200).

Almost surely, 2^74342521267 is an apocalyptic number.

74342521267 is a deficient number, since it is larger than the sum of its proper divisors (12547769933).

74342521267 is a wasteful number, since it uses less digits than its factorization.

74342521267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331226.

The product of its digits is 564480, while the sum is 43.

The spelling of 74342521267 in words is "seventy-four billion, three hundred forty-two million, five hundred twenty-one thousand, two hundred sixty-seven".