545434670 has 16 divisors (see below), whose sum is σ = 1071035568. Its totient is φ = 198339840.

The previous prime is 545434667. The next prime is 545434679. The reversal of 545434670 is 76434545.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545434679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2479139 + ... + 2479358.

It is an arithmetic number, because the mean of its divisors is an integer number (66939723).

Almost surely, 2^545434670 is an apocalyptic number.

545434670 is a deficient number, since it is larger than the sum of its proper divisors (525600898).

545434670 is a wasteful number, since it uses less digits than its factorization.

545434670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4958515.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 545434670 is about 23354.5428129090. The cubic root of 545434670 is about 817.0480164462.

The spelling of 545434670 in words is "five hundred forty-five million, four hundred thirty-four thousand, six hundred seventy".