670281045 has 24 divisors (see below), whose sum is σ = 1247544864. Its totient is φ = 306413856.

The previous prime is 670281041. The next prime is 670281047. The reversal of 670281045 is 540182076.

It is not a de Polignac number, because 670281045 - 2² = 670281041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670280997 and 670281015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670281041) 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 23 ways as a sum of consecutive naturals, for example, 455239 + ... + 456708.

It is an arithmetic number, because the mean of its divisors is an integer number (51981036).

Almost surely, 2^670281045 is an apocalyptic number.

It is an amenable number.

670281045 is a deficient number, since it is larger than the sum of its proper divisors (577263819).

670281045 is a wasteful number, since it uses less digits than its factorization.

670281045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911969 (or 911962 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 670281045 is about 25889.7864996991. The cubic root of 670281045 is about 875.1563453958.

The spelling of 670281045 in words is "six hundred seventy million, two hundred eighty-one thousand, forty-five".