71806748 has 24 divisors (see below), whose sum is σ = 136145520. Its totient is φ = 33137520.

The previous prime is 71806747. The next prime is 71806829. The reversal of 71806748 is 84760817.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71806747) 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, 4703 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (5672730).

Almost surely, 2^71806748 is an apocalyptic number.

It is an amenable number.

71806748 is a deficient number, since it is larger than the sum of its proper divisors (64338772).

71806748 is a wasteful number, since it uses less digits than its factorization.

71806748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214 (or 8186 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 71806748 is about 8473.8862395007. The cubic root of 71806748 is about 415.6442270714.

The spelling of 71806748 in words is "seventy-one million, eight hundred six thousand, seven hundred forty-eight".