605722647 has 8 divisors (see below), whose sum is σ = 813795840. Its totient is φ = 400732280.

The previous prime is 605722583. The next prime is 605722661. The reversal of 605722647 is 746227506.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 605722647 - 2⁶ = 605722583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605722847) 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, 770247 + ... + 771032.

It is an arithmetic number, because the mean of its divisors is an integer number (101724480).

Almost surely, 2^605722647 is an apocalyptic number.

605722647 is a deficient number, since it is larger than the sum of its proper divisors (208073193).

605722647 is a wasteful number, since it uses less digits than its factorization.

605722647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541413.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 605722647 is about 24611.4332577361. The cubic root of 605722647 is about 846.1056669874.

The spelling of 605722647 in words is "six hundred five million, seven hundred twenty-two thousand, six hundred forty-seven".