2373553728 has 252 divisors, whose sum is σ = 8524212060. Its totient is φ = 625895424.

The previous prime is 2373553717. The next prime is 2373553729. The reversal of 2373553728 is 8273553732.

2373553728 is a `hidden beast` number, since 2 + 3 + 73 + 553 + 7 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 223562304 + 2149991424 = 14952^2 + 46368^2 .

It is a tau number, because it is divible by the number of its divisors (252).

It is not an unprimeable number, because it can be changed into a prime (2373553729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 363678 + ... + 370146.

Almost surely, 2^2373553728 is an apocalyptic number.

2373553728 is a gapful number since it is divisible by the number (28) 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 2373553728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4262106030).

2373553728 is an abundant number, since it is smaller than the sum of its proper divisors (6150658332).

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

2373553728 is a wasteful number, since it uses less digits than its factorization.

2373553728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6494 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 2373553728 is about 48719.1310267332. The cubic root of 2373553728 is about 1333.9299458892.

The spelling of 2373553728 in words is "two billion, three hundred seventy-three million, five hundred fifty-three thousand, seven hundred twenty-eight".