672419 has 4 divisors (see below), whose sum is σ = 733560. Its totient is φ = 611280.

The previous prime is 672379. The next prime is 672439. The reversal of 672419 is 914276.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672419 is a prime.

It is a super-2 number, since 2×672419² = 904294623122, 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 = 672391 and 672400.

It is not an unprimeable number, because it can be changed into a prime (672439) 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, 30554 + ... + 30575.

It is an arithmetic number, because the mean of its divisors is an integer number (183390).

2⁶⁷²⁴¹⁹ is an apocalyptic number.

672419 is a deficient number, since it is larger than the sum of its proper divisors (61141).

672419 is a wasteful number, since it uses less digits than its factorization.

672419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61140.

The product of its digits is 3024, while the sum is 29.

The square root of 672419 is about 820.0115852840. The cubic root of 672419 is about 87.6085835643.

The spelling of 672419 in words is "six hundred seventy-two thousand, four hundred nineteen".