670549355 has 16 divisors (see below), whose sum is σ = 925475520. Its totient is φ = 456872832.

The previous prime is 670549351. The next prime is 670549367. The reversal of 670549355 is 553945076.

It is a cyclic number.

It is not a de Polignac number, because 670549355 - 2² = 670549351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670549351) 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, 55520 + ... + 66509.

It is an arithmetic number, because the mean of its divisors is an integer number (57842220).

Almost surely, 2^670549355 is an apocalyptic number.

670549355 is a deficient number, since it is larger than the sum of its proper divisors (254926165).

670549355 is a wasteful number, since it uses less digits than its factorization.

670549355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122198.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 670549355 is about 25894.9677543727. The cubic root of 670549355 is about 875.2731033221.

The spelling of 670549355 in words is "six hundred seventy million, five hundred forty-nine thousand, three hundred fifty-five".