672415633 has 6 divisors (see below), whose sum is σ = 674443014. Its totient is φ = 670391136.

The previous prime is 672415631. The next prime is 672415651. The reversal of 672415633 is 336514276.

It can be written as a sum of positive squares in 3 ways, for example, as 154449 + 672261184 = 393^2 + 25928^2 .

It is not a de Polignac number, because 672415633 - 2¹ = 672415631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672415592 and 672415601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672415631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 553735 + ... + 554947.

It is an arithmetic number, because the mean of its divisors is an integer number (112407169).

Almost surely, 2^672415633 is an apocalyptic number.

It is an amenable number.

672415633 is a deficient number, since it is larger than the sum of its proper divisors (2027381).

672415633 is an frugal number, since it uses more digits than its factorization.

672415633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883 (or 1670 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 672415633 is about 25930.9782499620. The cubic root of 672415633 is about 876.0843733672.

The spelling of 672415633 in words is "six hundred seventy-two million, four hundred fifteen thousand, six hundred thirty-three".