7336106721 has 6 divisors (see below), whose sum is σ = 10596598610. Its totient is φ = 4890737808.

The previous prime is 7336106707. The next prime is 7336106731. The reversal of 7336106721 is 1276016337.

7336106721 is a `hidden beast` number, since 7 + 33 + 610 + 6 + 7 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5551889121 + 1784217600 = 74511^2 + 42240^2 .

It is not a de Polignac number, because 7336106721 - 2⁷ = 7336106593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7336106731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407561476 + ... + 407561493.

Almost surely, 2^7336106721 is an apocalyptic number.

It is an amenable number.

7336106721 is a deficient number, since it is larger than the sum of its proper divisors (3260491889).

7336106721 is a wasteful number, since it uses less digits than its factorization.

7336106721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815122975 (or 815122972 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 7336106721 is about 85651.0754223203. The cubic root of 7336106721 is about 1943.0704487810.

The spelling of 7336106721 in words is "seven billion, three hundred thirty-six million, one hundred six thousand, seven hundred twenty-one".