74744563 has 8 divisors (see below), whose sum is σ = 80483760. Its totient is φ = 69154560.

The previous prime is 74744531. The next prime is 74744569. The reversal of 74744563 is 36544747.

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 74744563 - 2⁵ = 74744531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74744569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36258 + ... + 38263.

It is an arithmetic number, because the mean of its divisors is an integer number (10060470).

Almost surely, 2^74744563 is an apocalyptic number.

74744563 is a deficient number, since it is larger than the sum of its proper divisors (5739197).

74744563 is a wasteful number, since it uses less digits than its factorization.

74744563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74597.

The product of its digits is 282240, while the sum is 40.

The square root of 74744563 is about 8645.4937973490. The cubic root of 74744563 is about 421.2370238469.

The spelling of 74744563 in words is "seventy-four million, seven hundred forty-four thousand, five hundred sixty-three".