28612474 has 24 divisors (see below), whose sum is σ = 47823552. Its totient is φ = 12732720.

The previous prime is 28612471. The next prime is 28612481. The reversal of 28612474 is 47421682.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28612471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61567 + ... + 62029.

It is an arithmetic number, because the mean of its divisors is an integer number (1992648).

Almost surely, 2^28612474 is an apocalyptic number.

28612474 is a deficient number, since it is larger than the sum of its proper divisors (19211078).

28612474 is a wasteful number, since it uses less digits than its factorization.

28612474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 529 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 28612474 is about 5349.0629085850. The cubic root of 28612474 is about 305.8570323352.

It can be divided in two parts, 2861 and 2474, that added together give a palindrome (5335).

The spelling of 28612474 in words is "twenty-eight million, six hundred twelve thousand, four hundred seventy-four".