7261937089 has 27 divisors (see below), whose sum is σ = 8179530723. Its totient is φ = 6442405200.

The previous prime is 7261937087. The next prime is 7261937119. The reversal of 7261937089 is 9807391627.

The square root of 7261937089 is 85217.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 236144689 + 7025792400 = 15367^2 + 83820^2 .

It is not a de Polignac number, because 7261937089 - 2¹ = 7261937087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7261937087) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 57180544 + ... + 57180670.

Almost surely, 2^7261937089 is an apocalyptic number.

7261937089 is the 85217-th square number.

7261937089 is the 42609-th centered octagonal number.

It is an amenable number.

7261937089 is a deficient number, since it is larger than the sum of its proper divisors (917593634).

7261937089 is an equidigital number, since it uses as much as digits as its factorization.

7261937089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The cubic root of 7261937089 is about 1936.4999677225.

The spelling of 7261937089 in words is "seven billion, two hundred sixty-one million, nine hundred thirty-seven thousand, eighty-nine".