545276673 has 12 divisors (see below), whose sum is σ = 795742948. Its totient is φ = 359769600.

The previous prime is 545276603. The next prime is 545276681. The reversal of 545276673 is 376672545.

545276673 is a `hidden beast` number, since 54 + 527 + 6 + 6 + 73 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121616784 + 423659889 = 11028^2 + 20583^2 .

It is not a de Polignac number, because 545276673 - 2⁹ = 545276161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545276603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311428 + ... + 313173.

Almost surely, 2^545276673 is an apocalyptic number.

It is an amenable number.

545276673 is a deficient number, since it is larger than the sum of its proper divisors (250466275).

545276673 is a wasteful number, since it uses less digits than its factorization.

545276673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624704 (or 624701 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 545276673 is about 23351.1599925999. The cubic root of 545276673 is about 816.9691169254.

The spelling of 545276673 in words is "five hundred forty-five million, two hundred seventy-six thousand, six hundred seventy-three".