6729764125 has 24 divisors (see below), whose sum is σ = 9769978296. Its totient is φ = 4614691200.

The previous prime is 6729764113. The next prime is 6729764161. The reversal of 6729764125 is 5214679276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 59938564 + 6669825561 = 7742^2 + 81669^2 .

It is not a de Polignac number, because 6729764125 - 2¹⁵ = 6729731357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 543244 + ... + 555493.

It is an arithmetic number, because the mean of its divisors is an integer number (407082429).

Almost surely, 2^6729764125 is an apocalyptic number.

It is an amenable number.

6729764125 is a deficient number, since it is larger than the sum of its proper divisors (3040214171).

6729764125 is a wasteful number, since it uses less digits than its factorization.

6729764125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098766 (or 1098749 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 6729764125 is about 82035.1395744531. The cubic root of 6729764125 is about 1887.9911211227.

The spelling of 6729764125 in words is "six billion, seven hundred twenty-nine million, seven hundred sixty-four thousand, one hundred twenty-five".