74343437067 has 4 divisors (see below), whose sum is σ = 99124582760. Its totient is φ = 49562291376.

The previous prime is 74343437057. The next prime is 74343437081. The reversal of 74343437067 is 76073434347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76073434347 = 3 ⋅25357811449.

It is not a de Polignac number, because 74343437067 - 2¹⁰ = 74343436043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74343437017) 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 3 ways as a sum of consecutive naturals, for example, 12390572842 + ... + 12390572847.

It is an arithmetic number, because the mean of its divisors is an integer number (24781145690).

Almost surely, 2^74343437067 is an apocalyptic number.

74343437067 is a deficient number, since it is larger than the sum of its proper divisors (24781145693).

74343437067 is a wasteful number, since it uses less digits than its factorization.

74343437067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24781145692.

The product of its (nonzero) digits is 3556224, while the sum is 48.

The spelling of 74343437067 in words is "seventy-four billion, three hundred forty-three million, four hundred thirty-seven thousand, sixty-seven".