71828146 has 32 divisors (see below), whose sum is σ = 121701888. Its totient is φ = 31570560.

The previous prime is 71828129. The next prime is 71828153. The reversal of 71828146 is 64182817.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45055 + ... + 46621.

It is an arithmetic number, because the mean of its divisors is an integer number (3803184).

Almost surely, 2^71828146 is an apocalyptic number.

71828146 is a deficient number, since it is larger than the sum of its proper divisors (49873742).

71828146 is a wasteful number, since it uses less digits than its factorization.

71828146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its digits is 21504, while the sum is 37.

The square root of 71828146 is about 8475.1487302584. The cubic root of 71828146 is about 415.6855095048.

The spelling of 71828146 in words is "seventy-one million, eight hundred twenty-eight thousand, one hundred forty-six".