672419927 has 6 divisors (see below), whose sum is σ = 701785368. Its totient is φ = 643065324.

The previous prime is 672419879. The next prime is 672419933. The reversal of 672419927 is 729914276.

It is not a de Polignac number, because 672419927 - 2¹² = 672415831 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 (672419227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121658 + ... + 127064.

It is an arithmetic number, because the mean of its divisors is an integer number (116964228).

Almost surely, 2^672419927 is an apocalyptic number.

672419927 is a deficient number, since it is larger than the sum of its proper divisors (29365441).

672419927 is an frugal number, since it uses more digits than its factorization.

672419927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10837 (or 5430 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 672419927 is about 25931.0610465519. The cubic root of 672419927 is about 876.0862382347.

The spelling of 672419927 in words is "six hundred seventy-two million, four hundred nineteen thousand, nine hundred twenty-seven".