71428092 has 48 divisors (see below), whose sum is σ = 173279232. Its totient is φ = 22875840.

The previous prime is 71428081. The next prime is 71428099. The reversal of 71428092 is 29082417.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71428099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57793 + ... + 59015.

It is an arithmetic number, because the mean of its divisors is an integer number (3609984).

Almost surely, 2^71428092 is an apocalyptic number.

It is an amenable number.

71428092 is an abundant number, since it is smaller than the sum of its proper divisors (101851140).

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

71428092 is a wasteful number, since it uses less digits than its factorization.

71428092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 71428092 is about 8451.5141838608. The cubic root of 71428092 is about 414.9123383818.

The spelling of 71428092 in words is "seventy-one million, four hundred twenty-eight thousand, ninety-two".