672203940 has 48 divisors (see below), whose sum is σ = 1885373952. Its totient is φ = 178949376.

The previous prime is 672203921. The next prime is 672203947. The reversal of 672203940 is 49302276.

It is not an unprimeable number, because it can be changed into a prime (672203947) 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, 27192 + ... + 45648.

It is an arithmetic number, because the mean of its divisors is an integer number (39278624).

Almost surely, 2^672203940 is an apocalyptic number.

672203940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672203940 is an abundant number, since it is smaller than the sum of its proper divisors (1213170012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672203940 is a wasteful number, since it uses less digits than its factorization.

672203940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19076 (or 19074 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 672203940 is about 25926.8960733829. The cubic root of 672203940 is about 875.9924260724.

The spelling of 672203940 in words is "six hundred seventy-two million, two hundred three thousand, nine hundred forty".