287412072 has 64 divisors (see below), whose sum is σ = 730329600. Its totient is φ = 94245120.

The previous prime is 287412029. The next prime is 287412077. The reversal of 287412072 is 270214782.

It is not an unprimeable number, because it can be changed into a prime (287412077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473193 + ... + 473799.

It is an arithmetic number, because the mean of its divisors is an integer number (11411400).

Almost surely, 2^287412072 is an apocalyptic number.

It is an amenable number.

287412072 is an abundant number, since it is smaller than the sum of its proper divisors (442917528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287412072 is a wasteful number, since it uses less digits than its factorization.

287412072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 287412072 is about 16953.2319042712. The cubic root of 287412072 is about 659.9357696906.

The spelling of 287412072 in words is "two hundred eighty-seven million, four hundred twelve thousand, seventy-two".