74293273 has 8 divisors (see below), whose sum is σ = 76953600. Its totient is φ = 71639568.

The previous prime is 74293237. The next prime is 74293279. The reversal of 74293273 is 37239247.

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 74293273 - 2⁹ = 74292761 is a prime.

It is a super-3 number, since 3×74293273³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74293279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36090 + ... + 38092.

It is an arithmetic number, because the mean of its divisors is an integer number (9619200).

Almost surely, 2^74293273 is an apocalyptic number.

It is an amenable number.

74293273 is a deficient number, since it is larger than the sum of its proper divisors (2660327).

74293273 is a wasteful number, since it uses less digits than its factorization.

74293273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its digits is 63504, while the sum is 37.

The square root of 74293273 is about 8619.3545582021. The cubic root of 74293273 is about 420.3875353560.

The spelling of 74293273 in words is "seventy-four million, two hundred ninety-three thousand, two hundred seventy-three".