1873396512 has 240 divisors, whose sum is σ = 6051137400. Its totient is φ = 565014528.

The previous prime is 1873396493. The next prime is 1873396573. The reversal of 1873396512 is 2156933781.

1873396512 is a `hidden beast` number, since 18 + 7 + 33 + 96 + 512 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1771063056 + 102333456 = 42084^2 + 10116^2 .

It is a super-2 number, since 2×1873396512² = 7019228982347532288, which contains 22 as substring.

Its product of digits (272160) is a multiple of the sum of its prime divisors (1120).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1785364 + ... + 1786412.

Almost surely, 2^1873396512 is an apocalyptic number.

1873396512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1873396512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3025568700).

1873396512 is an abundant number, since it is smaller than the sum of its proper divisors (4177740888).

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

1873396512 is a wasteful number, since it uses less digits than its factorization.

1873396512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137 (or 1120 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1873396512 is about 43282.7507443785. The cubic root of 1873396512 is about 1232.7544221162.

The spelling of 1873396512 in words is "one billion, eight hundred seventy-three million, three hundred ninety-six thousand, five hundred twelve".