287372042 has 8 divisors (see below), whose sum is σ = 439191396. Its totient is φ = 140974912.

The previous prime is 287372039. The next prime is 287372087. The reversal of 287372042 is 240273782.

It can be written as a sum of positive squares in 2 ways, for example, as 270240721 + 17131321 = 16439^2 + 4139^2 .

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 = 287371993 and 287372011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355423 + ... + 1355634.

Almost surely, 2^287372042 is an apocalyptic number.

287372042 is a deficient number, since it is larger than the sum of its proper divisors (151819354).

287372042 is a wasteful number, since it uses less digits than its factorization.

287372042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711112.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 287372042 is about 16952.0512623104. The cubic root of 287372042 is about 659.9051302267.

The spelling of 287372042 in words is "two hundred eighty-seven million, three hundred seventy-two thousand, forty-two".