71274444 has 12 divisors (see below), whose sum is σ = 166307064. Its totient is φ = 23758144.

The previous prime is 71274433. The next prime is 71274451. The reversal of 71274444 is 44447217.

It is a happy number.

71274444 is nontrivially palindromic in base 8.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2969757 + ... + 2969780.

It is an arithmetic number, because the mean of its divisors is an integer number (13858922).

Almost surely, 2^71274444 is an apocalyptic number.

It is an amenable number.

71274444 is an abundant number, since it is smaller than the sum of its proper divisors (95032620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71274444 is a wasteful number, since it uses less digits than its factorization.

71274444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5939544 (or 5939542 counting only the distinct ones).

The product of its digits is 25088, while the sum is 33.

The square root of 71274444 is about 8442.4193214978. The cubic root of 71274444 is about 414.6146207061.

The spelling of 71274444 in words is "seventy-one million, two hundred seventy-four thousand, four hundred forty-four".