74340273 has 32 divisors (see below), whose sum is σ = 116278272. Its totient is φ = 41371200.

The previous prime is 74340251. The next prime is 74340307. The reversal of 74340273 is 37204347.

It is not a de Polignac number, because 74340273 - 2⁵ = 74340241 is a prime.

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 74340273.

It is not an unprimeable number, because it can be changed into a prime (74340223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167590 + ... + 168032.

It is an arithmetic number, because the mean of its divisors is an integer number (3633696).

Almost surely, 2^74340273 is an apocalyptic number.

It is an amenable number.

74340273 is a deficient number, since it is larger than the sum of its proper divisors (41937999).

74340273 is a wasteful number, since it uses less digits than its factorization.

74340273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 14112, while the sum is 30.

The square root of 74340273 is about 8622.0805493802. The cubic root of 74340273 is about 420.4761663015.

The spelling of 74340273 in words is "seventy-four million, three hundred forty thousand, two hundred seventy-three".