670746941 has 4 divisors (see below), whose sum is σ = 677015712. Its totient is φ = 664478172.

The previous prime is 670746919. The next prime is 670746961. The reversal of 670746941 is 149647076.

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 not a de Polignac number, because 670746941 - 2¹⁰ = 670745917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670746892 and 670746901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670746961) 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, 3134225 + ... + 3134438.

It is an arithmetic number, because the mean of its divisors is an integer number (169253928).

Almost surely, 2^670746941 is an apocalyptic number.

It is an amenable number.

670746941 is a deficient number, since it is larger than the sum of its proper divisors (6268771).

670746941 is a wasteful number, since it uses less digits than its factorization.

670746941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268770.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 670746941 is about 25898.7826161772. The cubic root of 670746941 is about 875.3590650421.

The spelling of 670746941 in words is "six hundred seventy million, seven hundred forty-six thousand, nine hundred forty-one".