605785581272 has 8 divisors (see below), whose sum is σ = 1135847964900. Its totient is φ = 302892790632.

The previous prime is 605785581241. The next prime is 605785581277. The reversal of 605785581272 is 272185587506.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605785581277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37861598822 + ... + 37861598837.

Almost surely, 2^605785581272 is an apocalyptic number.

It is an amenable number.

605785581272 is a deficient number, since it is larger than the sum of its proper divisors (530062383628).

605785581272 is a wasteful number, since it uses less digits than its factorization.

605785581272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75723197665 (or 75723197661 counting only the distinct ones).

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 605785581272 in words is "six hundred five billion, seven hundred eighty-five million, five hundred eighty-one thousand, two hundred seventy-two".