28743002 has 8 divisors (see below), whose sum is σ = 44601300. Its totient is φ = 13875904.

The previous prime is 28742977. The next prime is 28743037. The reversal of 28743002 is 20034782.

It can be written as a sum of positive squares in 2 ways, for example, as 27050401 + 1692601 = 5201^2 + 1301^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247727 + ... + 247842.

Almost surely, 2^28743002 is an apocalyptic number.

28743002 is a deficient number, since it is larger than the sum of its proper divisors (15858298).

28743002 is a wasteful number, since it uses less digits than its factorization.

28743002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495600.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 28743002 is about 5361.2500408021. The cubic root of 28743002 is about 306.3214259613.

Adding to 28743002 its reverse (20034782), we get a palindrome (48777784).

The spelling of 28743002 in words is "twenty-eight million, seven hundred forty-three thousand, two".