670481 has 4 divisors (see below), whose sum is σ = 766272. Its totient is φ = 574692.

The previous prime is 670471. The next prime is 670487. The reversal of 670481 is 184076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670481 - 2¹⁸ = 408337 is a prime.

It is a super-2 number, since 2×670481² = 899089542722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670481.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670481.

It is not an unprimeable number, because it can be changed into a prime (670487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47885 + ... + 47898.

It is an arithmetic number, because the mean of its divisors is an integer number (191568).

2⁶⁷⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

670481 is a deficient number, since it is larger than the sum of its proper divisors (95791).

670481 is an equidigital number, since it uses as much as digits as its factorization.

670481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95790.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 670481 is about 818.8290419862. The cubic root of 670481 is about 87.5243360880.

The spelling of 670481 in words is "six hundred seventy thousand, four hundred eighty-one".