3754870729 has 9 divisors (see below), whose sum is σ = 3890655093. Its totient is φ = 3623676672.

The previous prime is 3754870723. The next prime is 3754870759. The reversal of 3754870729 is 9270784573.

The square root of 3754870729 is 61277.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1670765625 + 2084105104 = 40875^2 + 45652^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3754870729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3754870723) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1775977 + ... + 1778089.

Almost surely, 2^3754870729 is an apocalyptic number.

3754870729 is the 61277-th square number.

3754870729 is the 30639-th centered octagonal number.

It is an amenable number.

3754870729 is a deficient number, since it is larger than the sum of its proper divisors (135784364).

3754870729 is an frugal number, since it uses more digits than its factorization.

3754870729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 2142 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 52.

The cubic root of 3754870729 is about 1554.2886058511.

The spelling of 3754870729 in words is "three billion, seven hundred fifty-four million, eight hundred seventy thousand, seven hundred twenty-nine".