28674742 has 12 divisors (see below), whose sum is σ = 43364916. Its totient is φ = 14220500.

The previous prime is 28674719. The next prime is 28674769. The reversal of 28674742 is 24747682.

It is a junction number, because it is equal to n+sod(n) for n = 28674695 and 28674704.

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, 114117 + ... + 114367.

It is an arithmetic number, because the mean of its divisors is an integer number (3613743).

Almost surely, 2^28674742 is an apocalyptic number.

28674742 is a deficient number, since it is larger than the sum of its proper divisors (14690174).

28674742 is an equidigital number, since it uses as much as digits as its factorization.

28674742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 492 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The square root of 28674742 is about 5354.8802040755. The cubic root of 28674742 is about 306.0787457356.

The spelling of 28674742 in words is "twenty-eight million, six hundred seventy-four thousand, seven hundred forty-two".