2305147672 has 8 divisors (see below), whose sum is σ = 4322151900. Its totient is φ = 1152573832.

The previous prime is 2305147667. The next prime is 2305147711. The reversal of 2305147672 is 2767415032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144071722 + ... + 144071737.

Almost surely, 2^2305147672 is an apocalyptic number.

It is an amenable number.

2305147672 is a deficient number, since it is larger than the sum of its proper divisors (2017004228).

2305147672 is a wasteful number, since it uses less digits than its factorization.

2305147672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288143465 (or 288143461 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2305147672 is about 48011.9534282870. The cubic root of 2305147672 is about 1320.9901646278.

The spelling of 2305147672 in words is "two billion, three hundred five million, one hundred forty-seven thousand, six hundred seventy-two".