670743701 has 4 divisors (see below), whose sum is σ = 673550400. Its totient is φ = 667937004.

The previous prime is 670743691. The next prime is 670743707. The reversal of 670743701 is 107347076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670743701 is a prime.

It is a super-2 number, since 2×670743701² = 899794224862354802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670743707) 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 3 ways as a sum of consecutive naturals, for example, 1402991 + ... + 1403468.

It is an arithmetic number, because the mean of its divisors is an integer number (168387600).

Almost surely, 2^670743701 is an apocalyptic number.

It is an amenable number.

670743701 is a deficient number, since it is larger than the sum of its proper divisors (2806699).

670743701 is a wasteful number, since it uses less digits than its factorization.

670743701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806698.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 670743701 is about 25898.7200648990. The cubic root of 670743701 is about 875.3576555846.

The spelling of 670743701 in words is "six hundred seventy million, seven hundred forty-three thousand, seven hundred one".