690429064 has 16 divisors (see below), whose sum is σ = 1394135820. Its totient is φ = 318659520.

The previous prime is 690429029. The next prime is 690429067. The reversal of 690429064 is 460924096.

It can be written as a sum of positive squares in 2 ways, for example, as 684868900 + 5560164 = 26170^2 + 2358^2 .

It is not an unprimeable number, because it can be changed into a prime (690429067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319267 + ... + 3319474.

Almost surely, 2^690429064 is an apocalyptic number.

It is an amenable number.

690429064 is an abundant number, since it is smaller than the sum of its proper divisors (703706756).

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

690429064 is a wasteful number, since it uses less digits than its factorization.

690429064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638760 (or 6638756 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 690429064 is about 26276.0168975437. The cubic root of 690429064 is about 883.8387160288.

The spelling of 690429064 in words is "six hundred ninety million, four hundred twenty-nine thousand, sixty-four".