245733760 has 64 divisors (see below), whose sum is σ = 589356000. Its totient is φ = 97976320.

The previous prime is 245733751. The next prime is 245733781. The reversal of 245733760 is 67337542.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383040 + ... + 383680.

Almost surely, 2^245733760 is an apocalyptic number.

245733760 is a gapful number since it is divisible by the number (20) 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 245733760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294678000).

245733760 is an abundant number, since it is smaller than the sum of its proper divisors (343622240).

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

245733760 is an equidigital number, since it uses as much as digits as its factorization.

245733760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1247 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 245733760 is about 15675.8974224763. The cubic root of 245733760 is about 626.3565287973.

The spelling of 245733760 in words is "two hundred forty-five million, seven hundred thirty-three thousand, seven hundred sixty".