245612720 has 40 divisors (see below), whose sum is σ = 573207360. Its totient is φ = 97873920.

The previous prime is 245612713. The next prime is 245612743. The reversal of 245612720 is 27216542.

It is a happy number.

245612720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 16016 + ... + 27344.

It is an arithmetic number, because the mean of its divisors is an integer number (14330184).

Almost surely, 2^245612720 is an apocalyptic number.

245612720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245612720 is an abundant number, since it is smaller than the sum of its proper divisors (327594640).

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

245612720 is a wasteful number, since it uses less digits than its factorization.

245612720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11613 (or 11607 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 245612720 is about 15672.0362429392. The cubic root of 245612720 is about 626.2536713450.

The spelling of 245612720 in words is "two hundred forty-five million, six hundred twelve thousand, seven hundred twenty".