1873668672 has 70 divisors (see below), whose sum is σ = 5554156278. Its totient is φ = 624554496.

The previous prime is 1873668623. The next prime is 1873668683. The reversal of 1873668672 is 2768663781.

It can be written as a sum of positive squares in only one way, i.e., 1672482816 + 201185856 = 40896^2 + 14184^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 175533 + ... + 185900.

Almost surely, 2^1873668672 is an apocalyptic number.

1873668672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1873668672 is an abundant number, since it is smaller than the sum of its proper divisors (3680487606).

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

1873668672 is an equidigital number, since it uses as much as digits as its factorization.

1873668672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361457 (or 361438 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 1873668672 is about 43285.8946078281. The cubic root of 1873668672 is about 1232.8141158677.

The spelling of 1873668672 in words is "one billion, eight hundred seventy-three million, six hundred sixty-eight thousand, six hundred seventy-two".