6724396825 has 12 divisors (see below), whose sum is σ = 8452476988. Its totient is φ = 5305824000.

The previous prime is 6724396823. The next prime is 6724396853. The reversal of 6724396825 is 5286934276.

It can be written as a sum of positive squares in 6 ways, for example, as 127870864 + 6596525961 = 11308^2 + 81219^2 .

It is not a de Polignac number, because 6724396825 - 2¹ = 6724396823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6724396823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1840476 + ... + 1844125.

Almost surely, 2^6724396825 is an apocalyptic number.

It is an amenable number.

6724396825 is a deficient number, since it is larger than the sum of its proper divisors (1728080163).

6724396825 is a wasteful number, since it uses less digits than its factorization.

6724396825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684684 (or 3684679 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The square root of 6724396825 is about 82002.4196289353. The cubic root of 6724396825 is about 1887.4890673752.

The spelling of 6724396825 in words is "six billion, seven hundred twenty-four million, three hundred ninety-six thousand, eight hundred twenty-five".