673367280 has 80 divisors (see below), whose sum is σ = 2210242464. Its totient is φ = 169000960.

The previous prime is 673367273. The next prime is 673367309. The reversal of 673367280 is 82763376.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 78441 + ... + 86600.

Almost surely, 2^673367280 is an apocalyptic number.

673367280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673367280 is an abundant number, since it is smaller than the sum of its proper divisors (1536875184).

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

673367280 is a wasteful number, since it uses less digits than its factorization.

673367280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165074 (or 165068 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 673367280 is about 25949.3213784099. The cubic root of 673367280 is about 876.4974760279.

The spelling of 673367280 in words is "six hundred seventy-three million, three hundred sixty-seven thousand, two hundred eighty".