6762272121 has 80 divisors (see below), whose sum is σ = 12282874560. Its totient is φ = 3654097920.

The previous prime is 6762272117. The next prime is 6762272123. The reversal of 6762272121 is 1212722676.

It is a happy number.

6762272121 is a `hidden beast` number, since 6 + 7 + 622 + 7 + 2 + 1 + 21 = 666.

It is not a de Polignac number, because 6762272121 - 2² = 6762272117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6762272123) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 276045 + ... + 299541.

It is an arithmetic number, because the mean of its divisors is an integer number (153535932).

Almost surely, 2^6762272121 is an apocalyptic number.

It is an amenable number.

6762272121 is a deficient number, since it is larger than the sum of its proper divisors (5520602439).

6762272121 is a wasteful number, since it uses less digits than its factorization.

6762272121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23556 (or 23547 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 6762272121 is about 82233.0354602091. The cubic root of 6762272121 is about 1891.0262076305.

Adding to 6762272121 its reverse (1212722676), we get a palindrome (7974994797).

The spelling of 6762272121 in words is "six billion, seven hundred sixty-two million, two hundred seventy-two thousand, one hundred twenty-one".