672530723173260 has 144 divisors (see below), whose sum is σ = 2340106904116800. Its totient is φ = 153149853399552.

The previous prime is 672530723173247. The next prime is 672530723173271. The reversal of 672530723173260 is 62371327035276.

672530723173260 is a `hidden beast` number, since 6 + 7 + 2 + 5 + 307 + 2 + 3 + 1 + 7 + 326 + 0 = 666.

It is a super-2 number, since 2×672530723173260² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 672530723173197 and 672530723173206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 991769875 + ... + 992447754.

It is an arithmetic number, because the mean of its divisors is an integer number (16250742389700).

Almost surely, 2^{672530723173260} is an apocalyptic number.

672530723173260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672530723173260 is an abundant number, since it is smaller than the sum of its proper divisors (1667576180943540).

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

672530723173260 is a wasteful number, since it uses less digits than its factorization.

672530723173260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984217920 (or 1984217915 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 54.

The spelling of 672530723173260 in words is "six hundred seventy-two trillion, five hundred thirty billion, seven hundred twenty-three million, one hundred seventy-three thousand, two hundred sixty".