28757476 has 12 divisors (see below), whose sum is σ = 54900720. Its totient is φ = 13071560.

The previous prime is 28757471. The next prime is 28757527. The reversal of 28757476 is 67475782.

It is not an unprimeable number, because it can be changed into a prime (28757471) 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, 326746 + ... + 326833.

It is an arithmetic number, because the mean of its divisors is an integer number (4575060).

Almost surely, 2^28757476 is an apocalyptic number.

It is an amenable number.

28757476 is a deficient number, since it is larger than the sum of its proper divisors (26143244).

28757476 is a wasteful number, since it uses less digits than its factorization.

28757476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653594 (or 653592 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 28757476 is about 5362.5997426621. The cubic root of 28757476 is about 306.3728350232.

The spelling of 28757476 in words is "twenty-eight million, seven hundred fifty-seven thousand, four hundred seventy-six".