670447875 has 16 divisors (see below), whose sum is σ = 1115625888. Its totient is φ = 357572000.

The previous prime is 670447829. The next prime is 670447879. The reversal of 670447875 is 578744076.

It is not a de Polignac number, because 670447875 - 2¹⁹ = 669923587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670447879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893556 + ... + 894305.

It is an arithmetic number, because the mean of its divisors is an integer number (69726618).

Almost surely, 2^670447875 is an apocalyptic number.

670447875 is a deficient number, since it is larger than the sum of its proper divisors (445178013).

670447875 is a wasteful number, since it uses less digits than its factorization.

670447875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787879 (or 1787869 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The square root of 670447875 is about 25893.0082261602. The cubic root of 670447875 is about 875.2289468927.

The spelling of 670447875 in words is "six hundred seventy million, four hundred forty-seven thousand, eight hundred seventy-five".