672052213 has 4 divisors (see below), whose sum is σ = 768059680. Its totient is φ = 576044748.

The previous prime is 672052207. The next prime is 672052217. The reversal of 672052213 is 312250276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672052213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672052217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48003723 + ... + 48003736.

It is an arithmetic number, because the mean of its divisors is an integer number (192014920).

Almost surely, 2^672052213 is an apocalyptic number.

It is an amenable number.

672052213 is a deficient number, since it is larger than the sum of its proper divisors (96007467).

672052213 is an equidigital number, since it uses as much as digits as its factorization.

672052213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96007466.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 672052213 is about 25923.9698541716. The cubic root of 672052213 is about 875.9265126909.

The spelling of 672052213 in words is "six hundred seventy-two million, fifty-two thousand, two hundred thirteen".