2257604730 has 128 divisors (see below), whose sum is σ = 6227020800. Its totient is φ = 581644800.

The previous prime is 2257604611. The next prime is 2257604759. The reversal of 2257604730 is 374067522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1205695 + ... + 1207565.

It is an arithmetic number, because the mean of its divisors is an integer number (48648600).

Almost surely, 2^2257604730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2257604730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3113510400).

2257604730 is an abundant number, since it is smaller than the sum of its proper divisors (3969416070).

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

2257604730 is a wasteful number, since it uses less digits than its factorization.

2257604730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 2257604730 is about 47514.2581758360. The cubic root of 2257604730 is about 1311.8453355537.

The spelling of 2257604730 in words is "two billion, two hundred fifty-seven million, six hundred four thousand, seven hundred thirty".