1873125450 has 432 divisors, whose sum is σ = 6549491520. Its totient is φ = 380298240.

The previous prime is 1873125439. The next prime is 1873125473. The reversal of 1873125450 is 545213781.

1873125450 is a `hidden beast` number, since 1 + 87 + 3 + 125 + 450 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 7122019 + ... + 7122281.

It is an arithmetic number, because the mean of its divisors is an integer number (15160860).

Almost surely, 2^1873125450 is an apocalyptic number.

1873125450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1873125450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3274745760).

1873125450 is an abundant number, since it is smaller than the sum of its proper divisors (4676366070).

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

1873125450 is a wasteful number, since it uses less digits than its factorization.

1873125450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 1873125450 is about 43279.6193375127. The cubic root of 1873125450 is about 1232.6949634459.

The spelling of 1873125450 in words is "one billion, eight hundred seventy-three million, one hundred twenty-five thousand, four hundred fifty".