672002431 has 16 divisors (see below), whose sum is σ = 740678400. Its totient is φ = 606849408.

The previous prime is 672002417. The next prime is 672002437. The reversal of 672002431 is 134200276.

It is a cyclic number.

It is not a de Polignac number, because 672002431 - 2²⁹ = 135131519 is a prime.

It is a super-2 number, since 2×672002431² = 903174534539819522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672002396 and 672002405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672002437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131655 + ... + 136663.

It is an arithmetic number, because the mean of its divisors is an integer number (46292400).

Almost surely, 2^672002431 is an apocalyptic number.

672002431 is a deficient number, since it is larger than the sum of its proper divisors (68675969).

672002431 is a wasteful number, since it uses less digits than its factorization.

672002431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 672002431 is about 25923.0096825195. The cubic root of 672002431 is about 875.9048841877.

The spelling of 672002431 in words is "six hundred seventy-two million, two thousand, four hundred thirty-one".