74254772563 has 8 divisors (see below), whose sum is σ = 74602528416. Its totient is φ = 73907265600.

The previous prime is 74254772561. The next prime is 74254772573. The reversal of 74254772563 is 36527745247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74254772563 - 2¹ = 74254772561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74254772563.

It is not an unprimeable number, because it can be changed into a prime (74254772561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549898 + ... + 671488.

It is an arithmetic number, because the mean of its divisors is an integer number (9325316052).

Almost surely, 2^74254772563 is an apocalyptic number.

74254772563 is a deficient number, since it is larger than the sum of its proper divisors (347755853).

74254772563 is a wasteful number, since it uses less digits than its factorization.

74254772563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124445.

The product of its digits is 9878400, while the sum is 52.

The spelling of 74254772563 in words is "seventy-four billion, two hundred fifty-four million, seven hundred seventy-two thousand, five hundred sixty-three".