305672 has 16 divisors (see below), whose sum is σ = 603600. Its totient is φ = 144720.

The previous prime is 305663. The next prime is 305717. The reversal of 305672 is 276503.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (37725).

2³⁰⁵⁶⁷² is an apocalyptic number.

It is an amenable number.

305672 is a deficient number, since it is larger than the sum of its proper divisors (297928).

305672 is a wasteful number, since it uses less digits than its factorization.

305672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 305672 is about 552.8761163226. The cubic root of 305672 is about 67.3625552561.

The spelling of 305672 in words is "three hundred five thousand, six hundred seventy-two".