545730684 has 48 divisors (see below), whose sum is σ = 1287917568. Its totient is φ = 179843328.

The previous prime is 545730659. The next prime is 545730721. The reversal of 545730684 is 486037545.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 659479 + ... + 660305.

It is an arithmetic number, because the mean of its divisors is an integer number (26831616).

Almost surely, 2^545730684 is an apocalyptic number.

It is an amenable number.

545730684 is an abundant number, since it is smaller than the sum of its proper divisors (742186884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545730684 is a wasteful number, since it uses less digits than its factorization.

545730684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394 (or 1392 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 545730684 is about 23360.8793498875. The cubic root of 545730684 is about 817.1957969993.

The spelling of 545730684 in words is "five hundred forty-five million, seven hundred thirty thousand, six hundred eighty-four".