74322376573 has 4 divisors (see below), whose sum is σ = 74355602940. Its totient is φ = 74289150208.

The previous prime is 74322376561. The next prime is 74322376577. The reversal of 74322376573 is 37567322347.

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 46426028089 + 27896348484 = 215467^2 + 167022^2 .

It is a cyclic number.

It is not a de Polignac number, because 74322376573 - 2³³ = 65732441981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74322376577) 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, 16609828 + ... + 16614301.

It is an arithmetic number, because the mean of its divisors is an integer number (18588900735).

Almost surely, 2^74322376573 is an apocalyptic number.

It is an amenable number.

74322376573 is a deficient number, since it is larger than the sum of its proper divisors (33226367).

74322376573 is a wasteful number, since it uses less digits than its factorization.

74322376573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33226366.

The product of its digits is 4445280, while the sum is 49.

The spelling of 74322376573 in words is "seventy-four billion, three hundred twenty-two million, three hundred seventy-six thousand, five hundred seventy-three".