673970 has 24 divisors (see below), whose sum is σ = 1335852. Its totient is φ = 244640.

The previous prime is 673961. The next prime is 673979. The reversal of 673970 is 79376.

It is an interprime number because it is at equal distance from previous prime (673961) and next prime (673979).

It can be written as a sum of positive squares in 2 ways, for example, as 609961 + 64009 = 781^2 + 253^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (673979) by changing a digit.

673970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 932 + ... + 1488.

2⁶⁷³⁹⁷⁰ is an apocalyptic number.

673970 is a deficient number, since it is larger than the sum of its proper divisors (661882).

673970 is a wasteful number, since it uses less digits than its factorization.

673970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 673970 is about 820.9567589100. The cubic root of 673970 is about 87.6758910876.

The spelling of 673970 in words is "six hundred seventy-three thousand, nine hundred seventy".