1873493028 has 36 divisors (see below), whose sum is σ = 5166300048. Its totient is φ = 567725040.

The previous prime is 1873493009. The next prime is 1873493107. The reversal of 1873493028 is 8203943781.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1873493028² = 7019952251929217568, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 2365126 + ... + 2365917.

Almost surely, 2^1873493028 is an apocalyptic number.

1873493028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1873493028 is an abundant number, since it is smaller than the sum of its proper divisors (3292807020).

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

1873493028 is a wasteful number, since it uses less digits than its factorization.

1873493028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731064 (or 4731059 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 1873493028 is about 43283.8656776402. The cubic root of 1873493028 is about 1232.7755919507.

The spelling of 1873493028 in words is "one billion, eight hundred seventy-three million, four hundred ninety-three thousand, twenty-eight".