2305672 has 8 divisors (see below), whose sum is σ = 4323150. Its totient is φ = 1152832.

The previous prime is 2305651. The next prime is 2305691. The reversal of 2305672 is 2765032.

It can be written as a sum of positive squares in only one way, i.e., 2268036 + 37636 = 1506^2 + 194^2 .

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

It is a super-2 number, since 2×2305672² = 10632246743168, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144097 + ... + 144112.

2^2305672 is an apocalyptic number.

It is an amenable number.

2305672 is a deficient number, since it is larger than the sum of its proper divisors (2017478).

2305672 is a wasteful number, since it uses less digits than its factorization.

2305672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288215 (or 288211 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 2305672 is about 1518.4439403547. The cubic root of 2305672 is about 132.1090314339.

The spelling of 2305672 in words is "two million, three hundred five thousand, six hundred seventy-two".