71334772 has 12 divisors (see below), whose sum is σ = 124894980. Its totient is φ = 35650496.

The previous prime is 71334763. The next prime is 71334787. The reversal of 71334772 is 27743317.

It can be written as a sum of positive squares in 2 ways, for example, as 68492176 + 2842596 = 8276^2 + 1686^2 .

It is a congruent number.

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, 14754 + ... + 18982.

It is an arithmetic number, because the mean of its divisors is an integer number (10407915).

Almost surely, 2^71334772 is an apocalyptic number.

It is an amenable number.

71334772 is a deficient number, since it is larger than the sum of its proper divisors (53560208).

71334772 is a wasteful number, since it uses less digits than its factorization.

71334772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450 (or 8448 counting only the distinct ones).

The product of its digits is 24696, while the sum is 34.

The square root of 71334772 is about 8445.9914752503. The cubic root of 71334772 is about 414.7315668635.

The spelling of 71334772 in words is "seventy-one million, three hundred thirty-four thousand, seven hundred seventy-two".