74221343 has 8 divisors (see below), whose sum is σ = 85156512. Its totient is φ = 63369216.

The previous prime is 74221333. The next prime is 74221361. The reversal of 74221343 is 34312247.

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 74221343 - 2¹⁰ = 74220319 is a prime.

It is a super-3 number, since 3×74221343³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74221333) 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, 18830 + ... + 22427.

It is an arithmetic number, because the mean of its divisors is an integer number (10644564).

Almost surely, 2^74221343 is an apocalyptic number.

74221343 is a deficient number, since it is larger than the sum of its proper divisors (10935169).

74221343 is a wasteful number, since it uses less digits than its factorization.

74221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41521.

The product of its digits is 4032, while the sum is 26.

The square root of 74221343 is about 8615.1809615353. The cubic root of 74221343 is about 420.2518198854.

The spelling of 74221343 in words is "seventy-four million, two hundred twenty-one thousand, three hundred forty-three".