28317734 has 4 divisors (see below), whose sum is σ = 42476604. Its totient is φ = 14158866.

The previous prime is 28317727. The next prime is 28317749. The reversal of 28317734 is 43771382.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 28317694 and 28317703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7079432 + ... + 7079435.

It is an arithmetic number, because the mean of its divisors is an integer number (10619151).

Almost surely, 2^28317734 is an apocalyptic number.

28317734 is a deficient number, since it is larger than the sum of its proper divisors (14158870).

28317734 is a wasteful number, since it uses less digits than its factorization.

28317734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14158869.

The product of its digits is 28224, while the sum is 35.

The square root of 28317734 is about 5321.4409702636. The cubic root of 28317734 is about 304.8031839601.

The spelling of 28317734 in words is "twenty-eight million, three hundred seventeen thousand, seven hundred thirty-four".