672870280 has 32 divisors (see below), whose sum is σ = 1536560640. Its totient is φ = 265129920.

The previous prime is 672870277. The next prime is 672870299. The reversal of 672870280 is 82078276.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122856 + ... + 128215.

It is an arithmetic number, because the mean of its divisors is an integer number (48017520).

Almost surely, 2^672870280 is an apocalyptic number.

It is an amenable number.

672870280 is an abundant number, since it is smaller than the sum of its proper divisors (863690360).

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

672870280 is a wasteful number, since it uses less digits than its factorization.

672870280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251149 (or 251145 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 672870280 is about 25939.7432523917. The cubic root of 672870280 is about 876.2817807322.

The spelling of 672870280 in words is "six hundred seventy-two million, eight hundred seventy thousand, two hundred eighty".