74443401067 has 6 divisors (see below), whose sum is σ = 86597425788. Its totient is φ = 63808629444.

The previous prime is 74443401049. The next prime is 74443401073. The reversal of 74443401067 is 76010434447.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-74443401067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74443401167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 759626493 + ... + 759626590.

It is an arithmetic number, because the mean of its divisors is an integer number (14432904298).

Almost surely, 2^74443401067 is an apocalyptic number.

74443401067 is a deficient number, since it is larger than the sum of its proper divisors (12154024721).

74443401067 is a wasteful number, since it uses less digits than its factorization.

74443401067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519253097 (or 1519253090 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 74443401067 in words is "seventy-four billion, four hundred forty-three million, four hundred one thousand, sixty-seven".