670615375 has 8 divisors (see below), whose sum is σ = 836928144. Its totient is φ = 536492200.

The previous prime is 670615373. The next prime is 670615391. The reversal of 670615375 is 573516076.

It is a happy number.

It is not a de Polignac number, because 670615375 - 2¹ = 670615373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670615373) 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, 2682337 + ... + 2682586.

It is an arithmetic number, because the mean of its divisors is an integer number (104616018).

Almost surely, 2^670615375 is an apocalyptic number.

670615375 is a deficient number, since it is larger than the sum of its proper divisors (166312769).

670615375 is an equidigital number, since it uses as much as digits as its factorization.

670615375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5364938 (or 5364928 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 670615375 is about 25896.2424880522. The cubic root of 670615375 is about 875.3018278465.

The spelling of 670615375 in words is "six hundred seventy million, six hundred fifteen thousand, three hundred seventy-five".