74433740401 has 4 divisors (see below), whose sum is σ = 74554379172. Its totient is φ = 74313101632.

The previous prime is 74433740333. The next prime is 74433740413. The reversal of 74433740401 is 10404733447.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30484810801 + 43948929600 = 174599^2 + 209640^2 .

It is a cyclic number.

It is not a de Polignac number, because 74433740401 - 2⁷ = 74433740273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74433740461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60318460 + ... + 60319693.

It is an arithmetic number, because the mean of its divisors is an integer number (18638594793).

Almost surely, 2^74433740401 is an apocalyptic number.

It is an amenable number.

74433740401 is a deficient number, since it is larger than the sum of its proper divisors (120638771).

74433740401 is a wasteful number, since it uses less digits than its factorization.

74433740401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120638770.

The product of its (nonzero) digits is 112896, while the sum is 37.

The spelling of 74433740401 in words is "seventy-four billion, four hundred thirty-three million, seven hundred forty thousand, four hundred one".