670575479 has 16 divisors (see below), whose sum is σ = 772412928. Its totient is φ = 570268512.

The previous prime is 670575473. The next prime is 670575487. The reversal of 670575479 is 974575076.

It is a cyclic number.

It is not a de Polignac number, because 670575479 - 2¹² = 670571383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670575473) 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 15 ways as a sum of consecutive naturals, for example, 630302 + ... + 631364.

It is an arithmetic number, because the mean of its divisors is an integer number (48275808).

Almost surely, 2^670575479 is an apocalyptic number.

670575479 is a deficient number, since it is larger than the sum of its proper divisors (101837449).

670575479 is a wasteful number, since it uses less digits than its factorization.

670575479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694.

The product of its (nonzero) digits is 1852200, while the sum is 50.

The square root of 670575479 is about 25895.4721717910. The cubic root of 670575479 is about 875.2844697922.

The spelling of 670575479 in words is "six hundred seventy million, five hundred seventy-five thousand, four hundred seventy-nine".