670542676 has 6 divisors (see below), whose sum is σ = 1173449690. Its totient is φ = 335271336.

The previous prime is 670542629. The next prime is 670542689. The reversal of 670542676 is 676245076.

It can be written as a sum of positive squares in only one way, i.e., 626000400 + 44542276 = 25020^2 + 6674^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83817831 + ... + 83817838.

Almost surely, 2^670542676 is an apocalyptic number.

It is an amenable number.

670542676 is a deficient number, since it is larger than the sum of its proper divisors (502907014).

670542676 is a wasteful number, since it uses less digits than its factorization.

670542676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167635673 (or 167635671 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 670542676 is about 25894.8387907706. The cubic root of 670542676 is about 875.2701972628.

The spelling of 670542676 in words is "six hundred seventy million, five hundred forty-two thousand, six hundred seventy-six".