28570760 has 32 divisors (see below), whose sum is σ = 64592640. Its totient is φ = 11373504.

The previous prime is 28570741. The next prime is 28570769. The reversal of 28570760 is 6707582.

It is a self number, because there is not a number n which added to its sum of digits gives 28570760.

It is not an unprimeable number, because it can be changed into a prime (28570769) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7319 + ... + 10521.

It is an arithmetic number, because the mean of its divisors is an integer number (2018520).

Almost surely, 2^28570760 is an apocalyptic number.

28570760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28570760 is an abundant number, since it is smaller than the sum of its proper divisors (36021880).

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

28570760 is a wasteful number, since it uses less digits than its factorization.

28570760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3437 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 28570760 is about 5345.1622987520. The cubic root of 28570760 is about 305.7083241708.

The spelling of 28570760 in words is "twenty-eight million, five hundred seventy thousand, seven hundred sixty".