666673034 has 4 divisors (see below), whose sum is σ = 1000009554. Its totient is φ = 333336516.

The previous prime is 666673027. The next prime is 666673039. The reversal of 666673034 is 430376666.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 402122809 + 264550225 = 20053^2 + 16265^2 .

It is a junction number, because it is equal to n+sod(n) for n = 666672982 and 666673000.

It is not an unprimeable number, because it can be changed into a prime (666673039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166668257 + ... + 166668260.

Almost surely, 2^666673034 is an apocalyptic number.

666673034 is a deficient number, since it is larger than the sum of its proper divisors (333336520).

666673034 is a wasteful number, since it uses less digits than its factorization.

666673034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333336519.

The product of its (nonzero) digits is 326592, while the sum is 41.

The square root of 666673034 is about 25820.0122773015. The cubic root of 666673034 is about 873.5832459165.

The spelling of 666673034 in words is "six hundred sixty-six million, six hundred seventy-three thousand, thirty-four".