670794049 has 4 divisors (see below), whose sum is σ = 671110960. Its totient is φ = 670477140.

The previous prime is 670794029. The next prime is 670794067. The reversal of 670794049 is 940497076.

670794049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 670794049 - 2¹⁷ = 670662977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670794029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155259 + ... + 159520.

It is an arithmetic number, because the mean of its divisors is an integer number (167777740).

Almost surely, 2^670794049 is an apocalyptic number.

It is an amenable number.

670794049 is a deficient number, since it is larger than the sum of its proper divisors (316911).

670794049 is a wasteful number, since it uses less digits than its factorization.

670794049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316910.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 670794049 is about 25899.6920638065. The cubic root of 670794049 is about 875.3795573455.

The spelling of 670794049 in words is "six hundred seventy million, seven hundred ninety-four thousand, forty-nine".