672210920 has 32 divisors (see below), whose sum is σ = 1544659200. Its totient is φ = 263162688.

The previous prime is 672210919. The next prime is 672210953. The reversal of 672210920 is 29012276.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 176900 + ... + 180659.

It is an arithmetic number, because the mean of its divisors is an integer number (48270600).

Almost surely, 2^672210920 is an apocalyptic number.

It is an amenable number.

672210920 is an abundant number, since it is smaller than the sum of its proper divisors (872448280).

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

672210920 is a wasteful number, since it uses less digits than its factorization.

672210920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357617 (or 357613 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 672210920 is about 25927.0306822821. The cubic root of 672210920 is about 875.9954580917.

The spelling of 672210920 in words is "six hundred seventy-two million, two hundred ten thousand, nine hundred twenty".