1672122620 has 24 divisors (see below), whose sum is σ = 4013094624. Its totient is φ = 573299136.

The previous prime is 1672122589. The next prime is 1672122643. The reversal of 1672122620 is 262212761.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5971727 + ... + 5972006.

It is an arithmetic number, because the mean of its divisors is an integer number (167212276).

Almost surely, 2^1672122620 is an apocalyptic number.

1672122620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672122620 is an abundant number, since it is smaller than the sum of its proper divisors (2340972004).

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

1672122620 is a wasteful number, since it uses less digits than its factorization.

1672122620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943749 (or 11943747 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1672122620 is about 40891.5959580939. The cubic root of 1672122620 is about 1186.9234419231.

The spelling of 1672122620 in words is "one billion, six hundred seventy-two million, one hundred twenty-two thousand, six hundred twenty".