670542603 has 8 divisors (see below), whose sum is σ = 902259600. Its totient is φ = 442927008.

The previous prime is 670542589. The next prime is 670542619. The reversal of 670542603 is 306245076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670542603 - 2⁶ = 670542539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670542403) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1024968 + ... + 1025621.

It is an arithmetic number, because the mean of its divisors is an integer number (112782450).

Almost surely, 2^670542603 is an apocalyptic number.

670542603 is a deficient number, since it is larger than the sum of its proper divisors (231716997).

670542603 is a wasteful number, since it uses less digits than its factorization.

670542603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050701.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 670542603 is about 25894.8373812233. The cubic root of 670542603 is about 875.2701655001.

Adding to 670542603 its reverse (306245076), we get a palindrome (976787679).

The spelling of 670542603 in words is "six hundred seventy million, five hundred forty-two thousand, six hundred three".