71387338 has 12 divisors (see below), whose sum is σ = 117701010. Its totient is φ = 32448680.

The previous prime is 71387321. The next prime is 71387341. The reversal of 71387338 is 83378317.

It can be written as a sum of positive squares in only one way, i.e., 40284409 + 31102929 = 6347^2 + 5577^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 71387338.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147253 + ... + 147736.

Almost surely, 2^71387338 is an apocalyptic number.

71387338 is a deficient number, since it is larger than the sum of its proper divisors (46313672).

71387338 is a wasteful number, since it uses less digits than its factorization.

71387338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295013 (or 295002 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 71387338 is about 8449.1027926047. The cubic root of 71387338 is about 414.8334125982.

The spelling of 71387338 in words is "seventy-one million, three hundred eighty-seven thousand, three hundred thirty-eight".