670800245 has 4 divisors (see below), whose sum is σ = 804960300. Its totient is φ = 536640192.

The previous prime is 670800233. The next prime is 670800253. The reversal of 670800245 is 542008076.

670800245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207302404 + 463497841 = 14398^2 + 21529^2 .

It is a cyclic number.

It is not a de Polignac number, because 670800245 - 2¹⁶ = 670734709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67080020 + ... + 67080029.

It is an arithmetic number, because the mean of its divisors is an integer number (201240075).

Almost surely, 2^670800245 is an apocalyptic number.

It is an amenable number.

670800245 is a deficient number, since it is larger than the sum of its proper divisors (134160055).

670800245 is a wasteful number, since it uses less digits than its factorization.

670800245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134160054.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 670800245 is about 25899.8116788520. The cubic root of 670800245 is about 875.3822525766.

The spelling of 670800245 in words is "six hundred seventy million, eight hundred thousand, two hundred forty-five".