71373438 has 48 divisors (see below), whose sum is σ = 157843296. Its totient is φ = 23304960.

The previous prime is 71373413. The next prime is 71373479. The reversal of 71373438 is 83437317.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253858 + ... + 254138.

It is an arithmetic number, because the mean of its divisors is an integer number (3288402).

Almost surely, 2^71373438 is an apocalyptic number.

71373438 is an abundant number, since it is smaller than the sum of its proper divisors (86469858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71373438 is a wasteful number, since it uses less digits than its factorization.

71373438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 526 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 71373438 is about 8448.2801800130. The cubic root of 71373438 is about 414.8064864472.

The spelling of 71373438 in words is "seventy-one million, three hundred seventy-three thousand, four hundred thirty-eight".