672554555 has 4 divisors (see below), whose sum is σ = 807065472. Its totient is φ = 538043640.

The previous prime is 672554539. The next prime is 672554557. The reversal of 672554555 is 555455276.

It is a happy number.

672554555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 672554555 - 2⁴ = 672554539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672554557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67255451 + ... + 67255460.

It is an arithmetic number, because the mean of its divisors is an integer number (201766368).

Almost surely, 2^672554555 is an apocalyptic number.

672554555 is a deficient number, since it is larger than the sum of its proper divisors (134510917).

672554555 is a wasteful number, since it uses less digits than its factorization.

672554555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134510916.

The product of its digits is 1050000, while the sum is 44.

The square root of 672554555 is about 25933.6567996108. The cubic root of 672554555 is about 876.1447026272.

The spelling of 672554555 in words is "six hundred seventy-two million, five hundred fifty-four thousand, five hundred fifty-five".