72672423 has 8 divisors (see below), whose sum is σ = 97266048. Its totient is φ = 48263544.

The previous prime is 72672407. The next prime is 72672469. The reversal of 72672423 is 32427627.

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

It is not a de Polignac number, because 72672423 - 2⁴ = 72672407 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72672493) 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, 45265 + ... + 46842.

It is an arithmetic number, because the mean of its divisors is an integer number (12158256).

Almost surely, 2^72672423 is an apocalyptic number.

72672423 is a deficient number, since it is larger than the sum of its proper divisors (24593625).

72672423 is a wasteful number, since it uses less digits than its factorization.

72672423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92373.

The product of its digits is 28224, while the sum is 33.

The square root of 72672423 is about 8524.8121973449. The cubic root of 72672423 is about 417.3078427754.

The spelling of 72672423 in words is "seventy-two million, six hundred seventy-two thousand, four hundred twenty-three".