287201072 has 20 divisors (see below), whose sum is σ = 557396616. Its totient is φ = 143356800.

The previous prime is 287201063. The next prime is 287201107. The reversal of 287201072 is 270102782.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5318 + ... + 24549.

Almost surely, 2^287201072 is an apocalyptic number.

It is an amenable number.

287201072 is a deficient number, since it is larger than the sum of its proper divisors (270195544).

287201072 is a wasteful number, since it uses less digits than its factorization.

287201072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30476 (or 30470 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 287201072 is about 16947.0077594837. The cubic root of 287201072 is about 659.7742356074.

It can be divided in two parts, 28720 and 1072, that added together give a palindrome (29792).

The spelling of 287201072 in words is "two hundred eighty-seven million, two hundred one thousand, seventy-two".