28773514 has 16 divisors (see below), whose sum is σ = 53810496. Its totient is φ = 11210400.

The previous prime is 28773509. The next prime is 28773523. The reversal of 28773514 is 41537782.

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, 93267 + ... + 93574.

It is an arithmetic number, because the mean of its divisors is an integer number (3363156).

Almost surely, 2^28773514 is an apocalyptic number.

28773514 is a deficient number, since it is larger than the sum of its proper divisors (25036982).

28773514 is a wasteful number, since it uses less digits than its factorization.

28773514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186861.

The product of its digits is 47040, while the sum is 37.

The square root of 28773514 is about 5364.0948910324. The cubic root of 28773514 is about 306.4297789912.

The spelling of 28773514 in words is "twenty-eight million, seven hundred seventy-three thousand, five hundred fourteen".