1872730552 has 96 divisors (see below), whose sum is σ = 4437135360. Its totient is φ = 725313600.

The previous prime is 1872730549. The next prime is 1872730571. The reversal of 1872730552 is 2550372781.

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 23 ways as a sum of consecutive naturals, for example, 1293493 + ... + 1294939.

It is an arithmetic number, because the mean of its divisors is an integer number (46220160).

Almost surely, 2^1872730552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1872730552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2218567680).

1872730552 is an abundant number, since it is smaller than the sum of its proper divisors (2564404808).

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

1872730552 is a wasteful number, since it uses less digits than its factorization.

1872730552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 1872730552 is about 43275.0569265946. The cubic root of 1872730552 is about 1232.6083305247.

The spelling of 1872730552 in words is "one billion, eight hundred seventy-two million, seven hundred thirty thousand, five hundred fifty-two".