28562734 has 8 divisors (see below), whose sum is σ = 44706960. Its totient is φ = 13660416.

The previous prime is 28562731. The next prime is 28562741. The reversal of 28562734 is 43726582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28562693 and 28562702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28562731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310419 + ... + 310510.

It is an arithmetic number, because the mean of its divisors is an integer number (5588370).

Almost surely, 2^28562734 is an apocalyptic number.

28562734 is a deficient number, since it is larger than the sum of its proper divisors (16144226).

28562734 is a wasteful number, since it uses less digits than its factorization.

28562734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620954.

The product of its digits is 80640, while the sum is 37.

The square root of 28562734 is about 5344.4114736798. The cubic root of 28562734 is about 305.6796953115.

The spelling of 28562734 in words is "twenty-eight million, five hundred sixty-two thousand, seven hundred thirty-four".