71447332 has 24 divisors (see below), whose sum is σ = 139305600. Its totient is φ = 31784160.

The previous prime is 71447323. The next prime is 71447347. The reversal of 71447332 is 23374417.

It is a junction number, because it is equal to n+sod(n) for n = 71447294 and 71447303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15207 + ... + 19342.

It is an arithmetic number, because the mean of its divisors is an integer number (5804400).

Almost surely, 2^71447332 is an apocalyptic number.

It is an amenable number.

71447332 is a deficient number, since it is larger than the sum of its proper divisors (67858268).

71447332 is a wasteful number, since it uses less digits than its factorization.

71447332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34611 (or 34609 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 71447332 is about 8452.6523647906. The cubic root of 71447332 is about 414.9495888832.

The spelling of 71447332 in words is "seventy-one million, four hundred forty-seven thousand, three hundred thirty-two".