605774628 has 18 divisors (see below), whose sum is σ = 1531263734. Its totient is φ = 201924864.

The previous prime is 605774599. The next prime is 605774629. The reversal of 605774628 is 826477506.

It can be written as a sum of positive squares in only one way, i.e., 557998884 + 47775744 = 23622^2 + 6912^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (605774629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8413501 + ... + 8413572.

Almost surely, 2^605774628 is an apocalyptic number.

It is an amenable number.

605774628 is an abundant number, since it is smaller than the sum of its proper divisors (925489106).

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

605774628 is a wasteful number, since it uses less digits than its factorization.

605774628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16827083 (or 16827078 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 605774628 is about 24612.4892686620. The cubic root of 605774628 is about 846.1298695719.

The spelling of 605774628 in words is "six hundred five million, seven hundred seventy-four thousand, six hundred twenty-eight".