672271620 has 48 divisors (see below), whose sum is σ = 1947274560. Its totient is φ = 173090176.

The previous prime is 672271609. The next prime is 672271637. The reversal of 672271620 is 26172276.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191442 + ... + 194921.

It is an arithmetic number, because the mean of its divisors is an integer number (40568220).

Almost surely, 2^672271620 is an apocalyptic number.

672271620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672271620 is an abundant number, since it is smaller than the sum of its proper divisors (1275002940).

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

672271620 is a wasteful number, since it uses less digits than its factorization.

672271620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386404 (or 386402 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 672271620 is about 25928.2012488333. The cubic root of 672271620 is about 876.0218244808.

The spelling of 672271620 in words is "six hundred seventy-two million, two hundred seventy-one thousand, six hundred twenty".