287070672 has 80 divisors (see below), whose sum is σ = 850818560. Its totient is φ = 81703296.

The previous prime is 287070629. The next prime is 287070683. The reversal of 287070672 is 276070782.

It is a self number, because there is not a number n which added to its sum of digits gives 287070672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93579 + ... + 96597.

It is an arithmetic number, because the mean of its divisors is an integer number (10635232).

Almost surely, 2^287070672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 287070672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425409280).

287070672 is an abundant number, since it is smaller than the sum of its proper divisors (563747888).

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

287070672 is a wasteful number, since it uses less digits than its factorization.

287070672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3320 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 287070672 is about 16943.1600358375. The cubic root of 287070672 is about 659.6743664531.

The spelling of 287070672 in words is "two hundred eighty-seven million, seventy thousand, six hundred seventy-two".