667024043 has 4 divisors (see below), whose sum is σ = 762313200. Its totient is φ = 571734888.

The previous prime is 667024009. The next prime is 667024069. The reversal of 667024043 is 340420766.

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

It is a cyclic number.

It is not a de Polignac number, because 667024043 - 2⁸ = 667023787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667024343) 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, 47644568 + ... + 47644581.

It is an arithmetic number, because the mean of its divisors is an integer number (190578300).

Almost surely, 2^667024043 is an apocalyptic number.

667024043 is a deficient number, since it is larger than the sum of its proper divisors (95289157).

667024043 is an equidigital number, since it uses as much as digits as its factorization.

667024043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95289156.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 667024043 is about 25826.8086104342. The cubic root of 667024043 is about 873.7365353433.

The spelling of 667024043 in words is "six hundred sixty-seven million, twenty-four thousand, forty-three".