28774526 has 12 divisors (see below), whose sum is σ = 47442696. Its totient is φ = 13079220.

The previous prime is 28774513. The next prime is 28774561. The reversal of 28774526 is 62547782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59210 + ... + 59693.

It is an arithmetic number, because the mean of its divisors is an integer number (3953558).

Almost surely, 2^28774526 is an apocalyptic number.

28774526 is a deficient number, since it is larger than the sum of its proper divisors (18668170).

28774526 is a wasteful number, since it uses less digits than its factorization.

28774526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118927 (or 118916 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 28774526 is about 5364.1892211219. The cubic root of 28774526 is about 306.4333714536.

The spelling of 28774526 in words is "twenty-eight million, seven hundred seventy-four thousand, five hundred twenty-six".