71447092 has 12 divisors (see below), whose sum is σ = 128082276. Its totient is φ = 34852160.

The previous prime is 71447081. The next prime is 71447093. The reversal of 71447092 is 29074417.

It can be written as a sum of positive squares in 2 ways, for example, as 20124196 + 51322896 = 4486^2 + 7164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71447093) 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, 217663 + ... + 217990.

It is an arithmetic number, because the mean of its divisors is an integer number (10673523).

Almost surely, 2^71447092 is an apocalyptic number.

It is an amenable number.

71447092 is a deficient number, since it is larger than the sum of its proper divisors (56635184).

71447092 is a wasteful number, since it uses less digits than its factorization.

71447092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435698 (or 435696 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 71447092 is about 8452.6381680514. The cubic root of 71447092 is about 414.9491242612.

The spelling of 71447092 in words is "seventy-one million, four hundred forty-seven thousand, ninety-two".