672073523 has 8 divisors (see below), whose sum is σ = 735252336. Its totient is φ = 609241600.

The previous prime is 672073487. The next prime is 672073537. The reversal of 672073523 is 325370276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-672073523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672073553) 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, 82658 + ... + 90423.

It is an arithmetic number, because the mean of its divisors is an integer number (91906542).

Almost surely, 2^672073523 is an apocalyptic number.

672073523 is a deficient number, since it is larger than the sum of its proper divisors (63178813).

672073523 is a wasteful number, since it uses less digits than its factorization.

672073523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173445.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 672073523 is about 25924.3808604950. The cubic root of 672073523 is about 875.9357707993.

The spelling of 672073523 in words is "six hundred seventy-two million, seventy-three thousand, five hundred twenty-three".