6762821225 has 6 divisors (see below), whose sum is σ = 8385898350. Its totient is φ = 5410256960.

The previous prime is 6762821207. The next prime is 6762821239. The reversal of 6762821225 is 5221282676.

It can be written as a sum of positive squares in 3 ways, for example, as 249039961 + 6513781264 = 15781^2 + 80708^2 .

It is not a de Polignac number, because 6762821225 - 2²² = 6758626921 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135256400 + ... + 135256449.

It is an arithmetic number, because the mean of its divisors is an integer number (1397649725).

Almost surely, 2^6762821225 is an apocalyptic number.

It is an amenable number.

6762821225 is a deficient number, since it is larger than the sum of its proper divisors (1623077125).

6762821225 is a wasteful number, since it uses less digits than its factorization.

6762821225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270512859 (or 270512854 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 6762821225 is about 82236.3740992999. The cubic root of 6762821225 is about 1891.0773907206.

The spelling of 6762821225 in words is "six billion, seven hundred sixty-two million, eight hundred twenty-one thousand, two hundred twenty-five".