545728734 has 24 divisors (see below), whose sum is σ = 1190924280. Its totient is φ = 180600048.

The previous prime is 545728723. The next prime is 545728759. The reversal of 545728734 is 437827545.

545728734 is a `hidden beast` number, since 5 + 4 + 572 + 8 + 73 + 4 = 666.

It is a super-2 number, since 2×545728734² = 595639702226485512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545728734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106557 + ... + 111560.

It is an arithmetic number, because the mean of its divisors is an integer number (49621845).

Almost surely, 2^545728734 is an apocalyptic number.

545728734 is an abundant number, since it is smaller than the sum of its proper divisors (645195546).

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

545728734 is a wasteful number, since it uses less digits than its factorization.

545728734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218264 (or 218261 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 545728734 is about 23360.8376134076. The cubic root of 545728734 is about 817.1948236659.

It can be divided in two parts, 5457 and 28734, that added together give a triangular number (34191 = T₂₆₁).

The spelling of 545728734 in words is "five hundred forty-five million, seven hundred twenty-eight thousand, seven hundred thirty-four".