285073470 has 96 divisors (see below), whose sum is σ = 813196800. Its totient is φ = 68713920.

The previous prime is 285073469. The next prime is 285073487. The reversal of 285073470 is 74370582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196287 + ... + 197733.

It is an arithmetic number, because the mean of its divisors is an integer number (8470800).

Almost surely, 2^285073470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285073470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406598400).

285073470 is an abundant number, since it is smaller than the sum of its proper divisors (528123330).

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

285073470 is a wasteful number, since it uses less digits than its factorization.

285073470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 285073470 is about 16884.1188695176. The cubic root of 285073470 is about 658.1409807458.

The spelling of 285073470 in words is "two hundred eighty-five million, seventy-three thousand, four hundred seventy".