672671559 has 24 divisors (see below), whose sum is σ = 1079310960. Its totient is φ = 371126784.

The previous prime is 672671533. The next prime is 672671563. The reversal of 672671559 is 955176276.

It is not a de Polignac number, because 672671559 - 2⁷ = 672671431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672671579) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74634 + ... + 83159.

It is an arithmetic number, because the mean of its divisors is an integer number (44971290).

Almost surely, 2^672671559 is an apocalyptic number.

672671559 is a deficient number, since it is larger than the sum of its proper divisors (406639401).

672671559 is a wasteful number, since it uses less digits than its factorization.

672671559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157839 (or 157832 counting only the distinct ones).

The product of its digits is 793800, while the sum is 48.

The square root of 672671559 is about 25935.9125345533. The cubic root of 672671559 is about 876.1955071752.

The spelling of 672671559 in words is "six hundred seventy-two million, six hundred seventy-one thousand, five hundred fifty-nine".