672536231 has 4 divisors (see below), whose sum is σ = 672598200. Its totient is φ = 672474264.

The previous prime is 672536219. The next prime is 672536233. The reversal of 672536231 is 132635276.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672536231 is a prime.

It is a super-2 number, since 2×672536231² = 904609964015370722, 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 = 672536191 and 672536200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672536233) 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 3 ways as a sum of consecutive naturals, for example, 9941 + ... + 37998.

It is an arithmetic number, because the mean of its divisors is an integer number (168149550).

Almost surely, 2^672536231 is an apocalyptic number.

672536231 is a deficient number, since it is larger than the sum of its proper divisors (61969).

672536231 is a wasteful number, since it uses less digits than its factorization.

672536231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61968.

The product of its digits is 45360, while the sum is 35.

The square root of 672536231 is about 25933.3035111225. The cubic root of 672536231 is about 876.1367455917.

The spelling of 672536231 in words is "six hundred seventy-two million, five hundred thirty-six thousand, two hundred thirty-one".