71888046 has 8 divisors (see below), whose sum is σ = 143776104. Its totient is φ = 23962680.

The previous prime is 71888027. The next prime is 71888081. The reversal of 71888046 is 64088817.

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

71888046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 71887989 and 71888007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5990665 + ... + 5990676.

It is an arithmetic number, because the mean of its divisors is an integer number (17972013).

Almost surely, 2^71888046 is an apocalyptic number.

71888046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71888046 is a wasteful number, since it uses less digits than its factorization.

71888046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11981346.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 71888046 is about 8478.6818550999. The cubic root of 71888046 is about 415.8010289544.

The spelling of 71888046 in words is "seventy-one million, eight hundred eighty-eight thousand, forty-six".