71428176 has 40 divisors (see below), whose sum is σ = 205026560. Its totient is φ = 23809248.

The previous prime is 71428157. The next prime is 71428183. The reversal of 71428176 is 67182417.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 71428176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82240 + ... + 83103.

It is an arithmetic number, because the mean of its divisors is an integer number (5125664).

Almost surely, 2^71428176 is an apocalyptic number.

It is an amenable number.

71428176 is an abundant number, since it is smaller than the sum of its proper divisors (133598384).

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

71428176 is a wasteful number, since it uses less digits than its factorization.

71428176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165360 (or 165348 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 71428176 is about 8451.5191533830. The cubic root of 71428176 is about 414.9125010284.

The spelling of 71428176 in words is "seventy-one million, four hundred twenty-eight thousand, one hundred seventy-six".