672223519 has 4 divisors (see below), whose sum is σ = 733334760. Its totient is φ = 611112280.

The previous prime is 672223501. The next prime is 672223523. The reversal of 672223519 is 915322276.

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

It is a cyclic number.

It is not a de Polignac number, because 672223519 - 2⁹ = 672223007 is a prime.

It is a super-2 number, since 2×672223519² = 903768918993486722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672223619) 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, 30555604 + ... + 30555625.

It is an arithmetic number, because the mean of its divisors is an integer number (183333690).

Almost surely, 2^672223519 is an apocalyptic number.

672223519 is a deficient number, since it is larger than the sum of its proper divisors (61111241).

672223519 is a wasteful number, since it uses less digits than its factorization.

672223519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61111240.

The product of its digits is 45360, while the sum is 37.

The square root of 672223519 is about 25927.2736515045. The cubic root of 672223519 is about 876.0009308769. Note that the first 3 decimals are identical.

The spelling of 672223519 in words is "six hundred seventy-two million, two hundred twenty-three thousand, five hundred nineteen".