672486613 has 4 divisors (see below), whose sum is σ = 672567948. Its totient is φ = 672405280.

The previous prime is 672486611. The next prime is 672486623. The reversal of 672486613 is 316684276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 492041124 + 180445489 = 22182^2 + 13433^2 .

It is a cyclic number.

It is not a de Polignac number, because 672486613 - 2¹ = 672486611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672486613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672486611) 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, 26656 + ... + 45337.

It is an arithmetic number, because the mean of its divisors is an integer number (168141987).

Almost surely, 2^672486613 is an apocalyptic number.

It is an amenable number.

672486613 is a deficient number, since it is larger than the sum of its proper divisors (81335).

672486613 is an equidigital number, since it uses as much as digits as its factorization.

672486613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81334.

The product of its digits is 290304, while the sum is 43.

The square root of 672486613 is about 25932.3468471328. The cubic root of 672486613 is about 876.1151986870.

The spelling of 672486613 in words is "six hundred seventy-two million, four hundred eighty-six thousand, six hundred thirteen".