71948863 has 8 divisors (see below), whose sum is σ = 82570400. Its totient is φ = 61413120.

The previous prime is 71948857. The next prime is 71948867. The reversal of 71948863 is 36884917.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 71948863 - 2⁹ = 71948351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71948867) 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, 19638 + ... + 23011.

It is an arithmetic number, because the mean of its divisors is an integer number (10321300).

Almost surely, 2^71948863 is an apocalyptic number.

71948863 is a deficient number, since it is larger than the sum of its proper divisors (10621537).

71948863 is a wasteful number, since it uses less digits than its factorization.

71948863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42897.

The product of its digits is 290304, while the sum is 46.

The square root of 71948863 is about 8482.2675623916. The cubic root of 71948863 is about 415.9182512411.

The spelling of 71948863 in words is "seventy-one million, nine hundred forty-eight thousand, eight hundred sixty-three".