2445730272 has 36 divisors (see below), whose sum is σ = 6955046280. Its totient is φ = 815243328.

The previous prime is 2445730249. The next prime is 2445730289. The reversal of 2445730272 is 2720375442.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4245772 + ... + 4246347.

It is an arithmetic number, because the mean of its divisors is an integer number (193195730).

Almost surely, 2^2445730272 is an apocalyptic number.

It is an amenable number.

2445730272 is an abundant number, since it is smaller than the sum of its proper divisors (4509316008).

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

2445730272 is a wasteful number, since it uses less digits than its factorization.

2445730272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492135 (or 8492124 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The square root of 2445730272 is about 49454.3251091348. The cubic root of 2445730272 is about 1347.3161626430.

The spelling of 2445730272 in words is "two billion, four hundred forty-five million, seven hundred thirty thousand, two hundred seventy-two".