2552306730 has 64 divisors (see below), whose sum is σ = 6494048640. Its totient is φ = 639770624.

The previous prime is 2552306719. The next prime is 2552306749. The reversal of 2552306730 is 376032552.

It is a junction number, because it is equal to n+sod(n) for n = 2552306691 and 2552306700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471097 + ... + 476483.

It is an arithmetic number, because the mean of its divisors is an integer number (101469510).

Almost surely, 2^2552306730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552306730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247024320).

2552306730 is an abundant number, since it is smaller than the sum of its proper divisors (3941741910).

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

2552306730 is a wasteful number, since it uses less digits than its factorization.

2552306730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 2552306730 is about 50520.3595592905. The cubic root of 2552306730 is about 1366.6090378899.

The spelling of 2552306730 in words is "two billion, five hundred fifty-two million, three hundred six thousand, seven hundred thirty".