670753 has 4 divisors (see below), whose sum is σ = 672448. Its totient is φ = 669060.

The previous prime is 670739. The next prime is 670763. The reversal of 670753 is 357076.

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 a de Polignac number, because none of the positive numbers 2^k-670753 is a prime.

It is a super-3 number, since 3×670753³ = 905334615645143331, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670763) 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, 100 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (168112).

2⁶⁷⁰⁷⁵³ is an apocalyptic number.

It is an amenable number.

670753 is a deficient number, since it is larger than the sum of its proper divisors (1695).

670753 is a wasteful number, since it uses less digits than its factorization.

670753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 670753 is about 818.9951159806. The cubic root of 670753 is about 87.5361700802.

It can be divided in two parts, 670 and 753, that multiplied together give a triangular number (504510 = T₁₀₀₄).

The spelling of 670753 in words is "six hundred seventy thousand, seven hundred fifty-three".