712895280 has 160 divisors (see below), whose sum is σ = 2323732224. Its totient is φ = 180569088.

The previous prime is 712895279. The next prime is 712895321. The reversal of 712895280 is 82598217.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380907 + ... + 382773.

Almost surely, 2^712895280 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 712895280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161866112).

712895280 is an abundant number, since it is smaller than the sum of its proper divisors (1610836944).

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

712895280 is a wasteful number, since it uses less digits than its factorization.

712895280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 712895280 is about 26700.0988762214. The cubic root of 712895280 is about 893.3231317367.

The spelling of 712895280 in words is "seven hundred twelve million, eight hundred ninety-five thousand, two hundred eighty".