260321772 has 24 divisors (see below), whose sum is σ = 609586992. Its totient is φ = 86464000.

The previous prime is 260321749. The next prime is 260321779. The reversal of 260321772 is 277123062.

260321772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (260321779) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35229 + ... + 41972.

It is an arithmetic number, because the mean of its divisors is an integer number (25399458).

Almost surely, 2^260321772 is an apocalyptic number.

It is an amenable number.

260321772 is an abundant number, since it is smaller than the sum of its proper divisors (349265220).

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

260321772 is a wasteful number, since it uses less digits than its factorization.

260321772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77489 (or 77487 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 260321772 is about 16134.4901375903. The cubic root of 260321772 is about 638.5136176477.

The spelling of 260321772 in words is "two hundred sixty million, three hundred twenty-one thousand, seven hundred seventy-two".