670015 has 8 divisors (see below), whose sum is σ = 812448. Its totient is φ = 530400.

The previous prime is 670001. The next prime is 670031. The reversal of 670015 is 510076.

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

It is not a de Polignac number, because 670015 - 2⁷ = 669887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 669974 and 670001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 1165.

It is an arithmetic number, because the mean of its divisors is an integer number (101556).

2⁶⁷⁰⁰¹⁵ is an apocalyptic number.

670015 is a deficient number, since it is larger than the sum of its proper divisors (142433).

670015 is a wasteful number, since it uses less digits than its factorization.

670015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 670015 is about 818.5444398443. The cubic root of 670015 is about 87.5040542339.

The spelling of 670015 in words is "six hundred seventy thousand, fifteen".