670534 has 8 divisors (see below), whose sum is σ = 1011960. Its totient is φ = 333216.

The previous prime is 670517. The next prime is 670541. The reversal of 670534 is 435076.

670534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×670534³ = 904448133347499912, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 670499 and 670508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579 + ... + 1294.

It is an arithmetic number, because the mean of its divisors is an integer number (126495).

2⁶⁷⁰⁵³⁴ is an apocalyptic number.

670534 is a deficient number, since it is larger than the sum of its proper divisors (341426).

670534 is a wasteful number, since it uses less digits than its factorization.

670534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 670534 is about 818.8614046345. The cubic root of 670534 is about 87.5266422272.

The spelling of 670534 in words is "six hundred seventy thousand, five hundred thirty-four".