71797238 has 8 divisors (see below), whose sum is σ = 113364120. Its totient is φ = 34009200.

The previous prime is 71797211. The next prime is 71797309. The reversal of 71797238 is 83279717.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944663 + ... + 944738.

It is an arithmetic number, because the mean of its divisors is an integer number (14170515).

Almost surely, 2^71797238 is an apocalyptic number.

71797238 is a deficient number, since it is larger than the sum of its proper divisors (41566882).

71797238 is a wasteful number, since it uses less digits than its factorization.

71797238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889422.

The product of its digits is 148176, while the sum is 44.

The square root of 71797238 is about 8473.3250852307. The cubic root of 71797238 is about 415.6258771195.

The spelling of 71797238 in words is "seventy-one million, seven hundred ninety-seven thousand, two hundred thirty-eight".