7672573261 has 2 divisors, whose sum is σ = 7672573262. Its totient is φ = 7672573260.

The previous prime is 7672573189. The next prime is 7672573333. The reversal of 7672573261 is 1623752767.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (7672573189) and next prime (7672573333).

It can be written as a sum of positive squares in only one way, i.e., 7277796100 + 394777161 = 85310^2 + 19869^2 .

It is a cyclic number.

It is not a de Polignac number, because 7672573261 - 2⁹ = 7672572749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7672573361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3836286630 + 3836286631.

It is an arithmetic number, because the mean of its divisors is an integer number (3836286631).

Almost surely, 2^7672573261 is an apocalyptic number.

It is an amenable number.

7672573261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7672573261 is an equidigital number, since it uses as much as digits as its factorization.

7672573261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 46.

The square root of 7672573261 is about 87593.2261136670. The cubic root of 7672573261 is about 1972.3334851401. Note that the first 3 decimals are identical.

The spelling of 7672573261 in words is "seven billion, six hundred seventy-two million, five hundred seventy-three thousand, two hundred sixty-one".