74332273 has 4 divisors (see below), whose sum is σ = 74400768. Its totient is φ = 74263780.

The previous prime is 74332267. The next prime is 74332277. The reversal of 74332273 is 37223347.

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 74332273 - 2¹⁷ = 74201201 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74332277) 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 3 ways as a sum of consecutive naturals, for example, 32593 + ... + 34798.

It is an arithmetic number, because the mean of its divisors is an integer number (18600192).

Almost surely, 2^74332273 is an apocalyptic number.

It is an amenable number.

74332273 is a deficient number, since it is larger than the sum of its proper divisors (68495).

74332273 is a wasteful number, since it uses less digits than its factorization.

74332273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68494.

The product of its digits is 21168, while the sum is 31.

The square root of 74332273 is about 8621.6166117498. The cubic root of 74332273 is about 420.4610828218.

The spelling of 74332273 in words is "seventy-four million, three hundred thirty-two thousand, two hundred seventy-three".