672124455 has 24 divisors (see below), whose sum is σ = 1179058608. Its totient is φ = 354145536.

The previous prime is 672124447. The next prime is 672124457. The reversal of 672124455 is 554421276.

It is a happy number.

672124455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672124455 - 2³ = 672124447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672124457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86242 + ... + 93711.

It is an arithmetic number, because the mean of its divisors is an integer number (49127442).

Almost surely, 2^672124455 is an apocalyptic number.

672124455 is a deficient number, since it is larger than the sum of its proper divisors (506934153).

672124455 is a wasteful number, since it uses less digits than its factorization.

672124455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180047 (or 180044 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 672124455 is about 25925.3631604265. The cubic root of 672124455 is about 875.9578973635.

The spelling of 672124455 in words is "six hundred seventy-two million, one hundred twenty-four thousand, four hundred fifty-five".