280070 has 16 divisors (see below), whose sum is σ = 576288. Its totient is φ = 96000.

The previous prime is 280069. The next prime is 280097. The reversal of 280070 is 70082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931 + ... + 2070.

It is an arithmetic number, because the mean of its divisors is an integer number (36018).

2²⁸⁰⁰⁷⁰ is an apocalyptic number.

280070 is an abundant number, since it is smaller than the sum of its proper divisors (296218).

It is a weird number, because it is abundant, but not a pseudoperfect number.

280070 is a wasteful number, since it uses less digits than its factorization.

280070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 280070 is about 529.2164018622. The cubic root of 280070 is about 65.4267775267.

The spelling of 280070 in words is "two hundred eighty thousand, seventy".