670542112 has 12 divisors (see below), whose sum is σ = 1320129846. Its totient is φ = 335271040.

The previous prime is 670542107. The next prime is 670542127. The reversal of 670542112 is 211245076.

It can be written as a sum of positive squares in only one way, i.e., 636855696 + 33686416 = 25236^2 + 5804^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10477189 + ... + 10477252.

Almost surely, 2^670542112 is an apocalyptic number.

It is an amenable number.

670542112 is a deficient number, since it is larger than the sum of its proper divisors (649587734).

670542112 is a wasteful number, since it uses less digits than its factorization.

670542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20954451 (or 20954443 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 670542112 is about 25894.8279005673. The cubic root of 670542112 is about 875.2699518633.

Adding to 670542112 its reverse (211245076), we get a palindrome (881787188).

The spelling of 670542112 in words is "six hundred seventy million, five hundred forty-two thousand, one hundred twelve".