670350497 has 8 divisors (see below), whose sum is σ = 690200232. Its totient is φ = 650592000.

The previous prime is 670350493. The next prime is 670350503. The reversal of 670350497 is 794053076.

It can be written as a sum of positive squares in 4 ways, for example, as 260854801 + 409495696 = 16151^2 + 20236^2 .

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 670350497 - 2² = 670350493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670350493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7754 + ... + 37427.

It is an arithmetic number, because the mean of its divisors is an integer number (86275029).

Almost surely, 2^670350497 is an apocalyptic number.

It is an amenable number.

670350497 is a deficient number, since it is larger than the sum of its proper divisors (19849735).

670350497 is a wasteful number, since it uses less digits than its factorization.

670350497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45619.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 670350497 is about 25891.1277660901. The cubic root of 670350497 is about 875.1865711545.

The spelling of 670350497 in words is "six hundred seventy million, three hundred fifty thousand, four hundred ninety-seven".