80743128 has 16 divisors (see below), whose sum is σ = 201857880. Its totient is φ = 26914368.

The previous prime is 80743123. The next prime is 80743151. The reversal of 80743128 is 82134708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80743123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682125 + ... + 1682172.

Almost surely, 2^80743128 is an apocalyptic number.

It is an amenable number.

80743128 is an abundant number, since it is smaller than the sum of its proper divisors (121114752).

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

80743128 is a wasteful number, since it uses less digits than its factorization.

80743128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364306 (or 3364302 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 80743128 is about 8985.7180013619. The cubic root of 80743128 is about 432.2170120236.

The spelling of 80743128 in words is "eighty million, seven hundred forty-three thousand, one hundred twenty-eight".