670633 has 8 divisors (see below), whose sum is σ = 718848. Its totient is φ = 623424.

The previous prime is 670627. The next prime is 670639. The reversal of 670633 is 336076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670627) and next prime (670639).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-670633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670598 and 670607.

It is not an unprimeable number, because it can be changed into a prime (670639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560 + ... + 1942.

It is an arithmetic number, because the mean of its divisors is an integer number (89856).

2⁶⁷⁰⁶³³ is an apocalyptic number.

It is an amenable number.

670633 is a deficient number, since it is larger than the sum of its proper divisors (48215).

670633 is a wasteful number, since it uses less digits than its factorization.

670633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 670633 is about 818.9218521935. The cubic root of 670633 is about 87.5309495958.

The spelling of 670633 in words is "six hundred seventy thousand, six hundred thirty-three".