74244271 has 4 divisors (see below), whose sum is σ = 74293632. Its totient is φ = 74194912.

The previous prime is 74244251. The next prime is 74244281. The reversal of 74244271 is 17244247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17244247 = 43 ⋅401029.

It is a cyclic number.

It is not a de Polignac number, because 74244271 - 2⁵ = 74244239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74244221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22351 + ... + 25456.

It is an arithmetic number, because the mean of its divisors is an integer number (18573408).

Almost surely, 2^74244271 is an apocalyptic number.

74244271 is a deficient number, since it is larger than the sum of its proper divisors (49361).

74244271 is a wasteful number, since it uses less digits than its factorization.

74244271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49360.

The product of its digits is 12544, while the sum is 31.

The square root of 74244271 is about 8616.5115330974. The cubic root of 74244271 is about 420.2950892978.

The spelling of 74244271 in words is "seventy-four million, two hundred forty-four thousand, two hundred seventy-one".