3132976729 has 9 divisors (see below), whose sum is σ = 3159677109. Its totient is φ = 3106501500.

The previous prime is 3132976723. The next prime is 3132976771. The reversal of 3132976729 is 9276792313.

The square root of 3132976729 is 55973.

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

It is not a de Polignac number, because 3132976729 - 2¹³ = 3132968537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3132976723) 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, 12481854 + ... + 12482104.

Almost surely, 2^3132976729 is an apocalyptic number.

3132976729 is the 55973-rd square number.

3132976729 is the 27987-th centered octagonal number.

It is an amenable number.

3132976729 is a deficient number, since it is larger than the sum of its proper divisors (26700380).

3132976729 is an frugal number, since it uses more digits than its factorization.

3132976729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948 (or 474 counting only the distinct ones).

The product of its digits is 857304, while the sum is 49.

The cubic root of 3132976729 is about 1463.2517640318.

Multiplying 3132976729 by its sum of digits (49), we get a square (153515859721 = 391811²).

It can be divided in two parts, 31329 and 76729, that multiplied together give a square (2403842841 = 49029²).

The spelling of 3132976729 in words is "three billion, one hundred thirty-two million, nine hundred seventy-six thousand, seven hundred twenty-nine".