672735276 has 36 divisors (see below), whose sum is σ = 1702701000. Its totient is φ = 223958208.

The previous prime is 672735241. The next prime is 672735281. The reversal of 672735276 is 672537276.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17575 + ... + 40673.

It is an arithmetic number, because the mean of its divisors is an integer number (47297250).

Almost surely, 2^672735276 is an apocalyptic number.

It is an amenable number.

672735276 is an abundant number, since it is smaller than the sum of its proper divisors (1029965724).

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

672735276 is a wasteful number, since it uses less digits than its factorization.

672735276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23918 (or 23913 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 672735276 is about 25937.1408601642. The cubic root of 672735276 is about 876.2231713876.

The spelling of 672735276 in words is "six hundred seventy-two million, seven hundred thirty-five thousand, two hundred seventy-six".