690064227 has 12 divisors (see below), whose sum is σ = 997157304. Its totient is φ = 459859200.

The previous prime is 690064223. The next prime is 690064229. The reversal of 690064227 is 722460096.

It is a happy number.

690064227 is a `hidden beast` number, since 6 + 9 + 0 + 0 + 642 + 2 + 7 = 666.

It is not a de Polignac number, because 690064227 - 2² = 690064223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 690064191 and 690064200.

It is not an unprimeable number, because it can be changed into a prime (690064223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10852 + ... + 38702.

It is an arithmetic number, because the mean of its divisors is an integer number (83096442).

Almost surely, 2^690064227 is an apocalyptic number.

690064227 is a deficient number, since it is larger than the sum of its proper divisors (307093077).

690064227 is a wasteful number, since it uses less digits than its factorization.

690064227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30610 (or 30607 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 690064227 is about 26269.0735847308. The cubic root of 690064227 is about 883.6830090456.

The spelling of 690064227 in words is "six hundred ninety million, sixty-four thousand, two hundred twenty-seven".