670189497 has 16 divisors (see below), whose sum is σ = 914595840. Its totient is φ = 436329872.

The previous prime is 670189463. The next prime is 670189549. The reversal of 670189497 is 794981076.

It is a cyclic number.

It is not a de Polignac number, because 670189497 - 2⁷ = 670189369 is a prime.

It is a super-2 number, since 2×670189497² = 898307923778226018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670189417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62578 + ... + 72500.

It is an arithmetic number, because the mean of its divisors is an integer number (57162240).

Almost surely, 2^670189497 is an apocalyptic number.

It is an amenable number.

670189497 is a deficient number, since it is larger than the sum of its proper divisors (244406343).

670189497 is a wasteful number, since it uses less digits than its factorization.

670189497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10452.

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 670189497 is about 25888.0184062048. The cubic root of 670189497 is about 875.1165001888.

The spelling of 670189497 in words is "six hundred seventy million, one hundred eighty-nine thousand, four hundred ninety-seven".