673356870 has 48 divisors (see below), whose sum is σ = 1752090912. Its totient is φ = 179422080.

The previous prime is 673356863. The next prime is 673356907. The reversal of 673356870 is 78653376.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170215 + ... + 174125.

It is an arithmetic number, because the mean of its divisors is an integer number (36501894).

Almost surely, 2^673356870 is an apocalyptic number.

673356870 is an abundant number, since it is smaller than the sum of its proper divisors (1078734042).

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

673356870 is a wasteful number, since it uses less digits than its factorization.

673356870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837 (or 5834 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 673356870 is about 25949.1207943545. The cubic root of 673356870 is about 876.4929592330.

The spelling of 673356870 in words is "six hundred seventy-three million, three hundred fifty-six thousand, eight hundred seventy".