672572523 has 8 divisors (see below), whose sum is σ = 1024872448.
Its totient is φ = 384327144.
The previous prime is 672572521. The next prime is 672572533. The reversal of 672572523 is 325275276.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 672572523 - 21 = 672572521 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (672572521) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 16013611 + ... + 16013652.
It is an arithmetic number, because the mean of its divisors is an integer number (128109056).
Almost surely, 2672572523 is an apocalyptic number.
672572523 is a deficient number, since it is larger than the sum of its proper divisors (352299925).
672572523 is a wasteful number, since it uses less digits than its factorization.
672572523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32027273.
The product of its digits is 176400, while the sum is 39.
The square root of 672572523 is about 25934.0032197114.
The cubic root of 672572523 is about 876.1525049324.
The spelling of 672572523 in words is "six hundred seventy-two million, five hundred seventy-two thousand, five hundred twenty-three".