71073238 has 16 divisors (see below), whose sum is σ = 110593296. Its totient is φ = 34231680.

The previous prime is 71073227. The next prime is 71073239. The reversal of 71073238 is 83237017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71073239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618 + ... + 11938.

It is an arithmetic number, because the mean of its divisors is an integer number (6912081).

Almost surely, 2^71073238 is an apocalyptic number.

71073238 is a deficient number, since it is larger than the sum of its proper divisors (39520058).

71073238 is a wasteful number, since it uses less digits than its factorization.

71073238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11439.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 71073238 is about 8430.4945287925. The cubic root of 71073238 is about 414.2241040480.

The spelling of 71073238 in words is "seventy-one million, seventy-three thousand, two hundred thirty-eight".