74800469 has 4 divisors (see below), whose sum is σ = 75248544. Its totient is φ = 74352396.

The previous prime is 74800447. The next prime is 74800507. The reversal of 74800469 is 96400847.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74800469 - 2²⁰ = 73751893 is a prime.

It is a super-2 number, since 2×74800469² = 11190220325239922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74800409) 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, 223787 + ... + 224120.

It is an arithmetic number, because the mean of its divisors is an integer number (18812136).

Almost surely, 2^74800469 is an apocalyptic number.

It is an amenable number.

74800469 is a deficient number, since it is larger than the sum of its proper divisors (448075).

74800469 is a wasteful number, since it uses less digits than its factorization.

74800469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448074.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 74800469 is about 8648.7264380370. The cubic root of 74800469 is about 421.3420205947.

The spelling of 74800469 in words is "seventy-four million, eight hundred thousand, four hundred sixty-nine".