672564013 has 8 divisors (see below), whose sum is σ = 776865600. Its totient is φ = 575455680.

The previous prime is 672563993. The next prime is 672564019. The reversal of 672564013 is 310465276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672564013 - 2⁵ = 672563981 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 672564013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672564019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798113 + ... + 1798486.

It is an arithmetic number, because the mean of its divisors is an integer number (97108200).

Almost surely, 2^672564013 is an apocalyptic number.

It is an amenable number.

672564013 is a deficient number, since it is larger than the sum of its proper divisors (104301587).

672564013 is a wasteful number, since it uses less digits than its factorization.

672564013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596627.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 672564013 is about 25933.8391488804. The cubic root of 672564013 is about 876.1488096237.

The spelling of 672564013 in words is "six hundred seventy-two million, five hundred sixty-four thousand, thirteen".