672960240 has 120 divisors (see below), whose sum is σ = 2379021840. Its totient is φ = 170007552.

The previous prime is 672960229. The next prime is 672960263. The reversal of 672960240 is 42069276.

It is a happy number.

672960240 is a `hidden beast` number, since 6 + 7 + 2 + 9 + 602 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 672960195 and 672960204.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 10917 + ... + 38276.

It is an arithmetic number, because the mean of its divisors is an integer number (19825182).

Almost surely, 2^672960240 is an apocalyptic number.

672960240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672960240 is an abundant number, since it is smaller than the sum of its proper divisors (1706061600).

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

672960240 is a wasteful number, since it uses less digits than its factorization.

672960240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49231 (or 49222 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 672960240 is about 25941.4772131427. The cubic root of 672960240 is about 876.3208307534.

The spelling of 672960240 in words is "six hundred seventy-two million, nine hundred sixty thousand, two hundred forty".