672563830 has 32 divisors (see below), whose sum is σ = 1230225408. Its totient is φ = 264684000.

The previous prime is 672563821. The next prime is 672563839. The reversal of 672563830 is 38365276.

It is an interprime number because it is at equal distance from previous prime (672563821) and next prime (672563839).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672563839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583755 + ... + 584905.

It is an arithmetic number, because the mean of its divisors is an integer number (38444544).

Almost surely, 2^672563830 is an apocalyptic number.

672563830 is a deficient number, since it is larger than the sum of its proper divisors (557661578).

672563830 is a wasteful number, since it uses less digits than its factorization.

672563830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 672563830 is about 25933.8356206713. The cubic root of 672563830 is about 876.1487301591.

The spelling of 672563830 in words is "six hundred seventy-two million, five hundred sixty-three thousand, eight hundred thirty".