261672352 has 24 divisors (see below), whose sum is σ = 519988896. Its totient is φ = 129611712.

The previous prime is 261672337. The next prime is 261672377. The reversal of 261672352 is 253276162.

261672352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 34788 + ... + 41635.

It is an arithmetic number, because the mean of its divisors is an integer number (21666204).

Almost surely, 2^261672352 is an apocalyptic number.

It is an amenable number.

261672352 is a deficient number, since it is larger than the sum of its proper divisors (258316544).

261672352 is a wasteful number, since it uses less digits than its factorization.

261672352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76540 (or 76532 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 261672352 is about 16176.2898094711. The cubic root of 261672352 is about 639.6159414508.

The spelling of 261672352 in words is "two hundred sixty-one million, six hundred seventy-two thousand, three hundred fifty-two".