74224869 has 8 divisors (see below), whose sum is σ = 99024000. Its totient is φ = 49454496.

The previous prime is 74224859. The next prime is 74224879. The reversal of 74224869 is 96842247.

It is an interprime number because it is at equal distance from previous prime (74224859) and next prime (74224879).

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

It is not a de Polignac number, because 74224869 - 2⁷ = 74224741 is a prime.

It is a super-2 number, since 2×74224869² = 11018662356134322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74224869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74224859) 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, 192 + ... + 12185.

It is an arithmetic number, because the mean of its divisors is an integer number (12378000).

Almost surely, 2^74224869 is an apocalyptic number.

It is an amenable number.

74224869 is a deficient number, since it is larger than the sum of its proper divisors (24799131).

74224869 is a wasteful number, since it uses less digits than its factorization.

74224869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14379.

The product of its digits is 193536, while the sum is 42.

The square root of 74224869 is about 8615.3855978708. The cubic root of 74224869 is about 420.2584746848.

The spelling of 74224869 in words is "seventy-four million, two hundred twenty-four thousand, eight hundred sixty-nine".