1729740564 has 36 divisors (see below), whose sum is σ = 4379094720. Its totient is φ = 575697360.

The previous prime is 1729740547. The next prime is 1729740581. The reversal of 1729740564 is 4650479271.

1729740564 is a `hidden beast` number, since 17 + 2 + 9 + 74 + 0 + 564 = 666.

It is an interprime number because it is at equal distance from previous prime (1729740547) and next prime (1729740581).

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12732 + ... + 60179.

It is an arithmetic number, because the mean of its divisors is an integer number (121641520).

Almost surely, 2^1729740564 is an apocalyptic number.

It is an amenable number.

1729740564 is an abundant number, since it is smaller than the sum of its proper divisors (2649354156).

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

1729740564 is a wasteful number, since it uses less digits than its factorization.

1729740564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73580 (or 73575 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1729740564 is about 41590.1498434425. The cubic root of 1729740564 is about 1200.4027731297.

The spelling of 1729740564 in words is "one billion, seven hundred twenty-nine million, seven hundred forty thousand, five hundred sixty-four".