74478044371 has 4 divisors (see below), whose sum is σ = 74908553472. Its totient is φ = 74047535272.

The previous prime is 74478044357. The next prime is 74478044393. The reversal of 74478044371 is 17344087447.

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

It is a cyclic number.

It is not a de Polignac number, because 74478044371 - 2⁹ = 74478043859 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74478044321) 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, 215254291 + ... + 215254636.

It is an arithmetic number, because the mean of its divisors is an integer number (18727138368).

Almost surely, 2^74478044371 is an apocalyptic number.

74478044371 is a deficient number, since it is larger than the sum of its proper divisors (430509101).

74478044371 is a wasteful number, since it uses less digits than its factorization.

74478044371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430509100.

The product of its (nonzero) digits is 2107392, while the sum is 49.

The spelling of 74478044371 in words is "seventy-four billion, four hundred seventy-eight million, forty-four thousand, three hundred seventy-one".