71233438 has 8 divisors (see below), whose sum is σ = 111495888. Its totient is φ = 34068144.

The previous prime is 71233433. The next prime is 71233439. The reversal of 71233438 is 83433217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71233433) 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, 774231 + ... + 774322.

It is an arithmetic number, because the mean of its divisors is an integer number (13936986).

Almost surely, 2^71233438 is an apocalyptic number.

71233438 is a deficient number, since it is larger than the sum of its proper divisors (40262450).

71233438 is a wasteful number, since it uses less digits than its factorization.

71233438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548578.

The product of its digits is 12096, while the sum is 31.

The square root of 71233438 is about 8439.9904028381. The cubic root of 71233438 is about 414.5350926746.

The spelling of 71233438 in words is "seventy-one million, two hundred thirty-three thousand, four hundred thirty-eight".