670213475 has 6 divisors (see below), whose sum is σ = 831064740. Its totient is φ = 536170760.

The previous prime is 670213471. The next prime is 670213483. The reversal of 670213475 is 574312076.

It is not a de Polignac number, because 670213475 - 2² = 670213471 is a prime.

It is a super-2 number, since 2×670213475² = 898372204143151250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670213471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13404245 + ... + 13404294.

It is an arithmetic number, because the mean of its divisors is an integer number (138510790).

Almost surely, 2^670213475 is an apocalyptic number.

670213475 is a deficient number, since it is larger than the sum of its proper divisors (160851265).

670213475 is a wasteful number, since it uses less digits than its factorization.

670213475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26808549 (or 26808544 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 670213475 is about 25888.4815120547. The cubic root of 670213475 is about 875.1269366864.

The spelling of 670213475 in words is "six hundred seventy million, two hundred thirteen thousand, four hundred seventy-five".