74207273 has 16 divisors (see below), whose sum is σ = 87843840. Its totient is φ = 61344000.

The previous prime is 74207249. The next prime is 74207279. The reversal of 74207273 is 37270247.

It is a cyclic number.

It is not a de Polignac number, because 74207273 - 2⁶ = 74207209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74207279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123173 + ... + 123773.

It is an arithmetic number, because the mean of its divisors is an integer number (5490240).

Almost surely, 2^74207273 is an apocalyptic number.

It is an amenable number.

74207273 is a deficient number, since it is larger than the sum of its proper divisors (13636567).

74207273 is a wasteful number, since it uses less digits than its factorization.

74207273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 74207273 is about 8614.3643410295. The cubic root of 74207273 is about 420.2252627589.

The spelling of 74207273 in words is "seventy-four million, two hundred seven thousand, two hundred seventy-three".