670543541 has 8 divisors (see below), whose sum is σ = 700000704. Its totient is φ = 641111680.

The previous prime is 670543519. The next prime is 670543553. The reversal of 670543541 is 145345076.

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

It is a cyclic number.

It is not a de Polignac number, because 670543541 - 2²⁶ = 603434677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670542541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65150 + ... + 74736.

It is an arithmetic number, because the mean of its divisors is an integer number (87500088).

Almost surely, 2^670543541 is an apocalyptic number.

It is an amenable number.

670543541 is a deficient number, since it is larger than the sum of its proper divisors (29457163).

670543541 is a wasteful number, since it uses less digits than its factorization.

670543541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 670543541 is about 25894.8554929353. The cubic root of 670543541 is about 875.2705736288.

The spelling of 670543541 in words is "six hundred seventy million, five hundred forty-three thousand, five hundred forty-one".