670487235 has 16 divisors (see below), whose sum is σ = 1170305280. Its totient is φ = 325084640.

The previous prime is 670487201. The next prime is 670487239. The reversal of 670487235 is 532784076.

It is not a de Polignac number, because 670487235 - 2⁹ = 670486723 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (670487239) 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, 2031615 + ... + 2031944.

It is an arithmetic number, because the mean of its divisors is an integer number (73144080).

Almost surely, 2^670487235 is an apocalyptic number.

670487235 is a deficient number, since it is larger than the sum of its proper divisors (499818045).

670487235 is a wasteful number, since it uses less digits than its factorization.

670487235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063578.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 670487235 is about 25893.7682657430. The cubic root of 670487235 is about 875.2460739201.

It can be divided in two parts, 6704 and 87235, that added together give a palindrome (93939).

The spelling of 670487235 in words is "six hundred seventy million, four hundred eighty-seven thousand, two hundred thirty-five".