74421271 has 8 divisors (see below), whose sum is σ = 78634800. Its totient is φ = 70237440.

The previous prime is 74421253. The next prime is 74421299. The reversal of 74421271 is 17212447.

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 74421271 - 2²³ = 66032663 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 (74421241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170 + ... + 12391.

It is an arithmetic number, because the mean of its divisors is an integer number (9829350).

Almost surely, 2^74421271 is an apocalyptic number.

74421271 is a deficient number, since it is larger than the sum of its proper divisors (4213529).

74421271 is a wasteful number, since it uses less digits than its factorization.

74421271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14849.

The product of its digits is 3136, while the sum is 28.

The square root of 74421271 is about 8626.7763967777. The cubic root of 74421271 is about 420.6288218557.

The spelling of 74421271 in words is "seventy-four million, four hundred twenty-one thousand, two hundred seventy-one".