672141405 has 32 divisors (see below), whose sum is σ = 1164038400. Its totient is φ = 329218560.

The previous prime is 672141367. The next prime is 672141479. The reversal of 672141405 is 504141276.

It is not a de Polignac number, because 672141405 - 2⁶ = 672141341 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30145 + ... + 47465.

It is an arithmetic number, because the mean of its divisors is an integer number (36376200).

Almost surely, 2^672141405 is an apocalyptic number.

672141405 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

672141405 is a deficient number, since it is larger than the sum of its proper divisors (491896995).

672141405 is a wasteful number, since it uses less digits than its factorization.

672141405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17541.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 672141405 is about 25925.6900583186. The cubic root of 672141405 is about 875.9652607624.

The spelling of 672141405 in words is "six hundred seventy-two million, one hundred forty-one thousand, four hundred five".