7540672291 has 24 divisors (see below), whose sum is σ = 8331498000. Its totient is φ = 6805351872.

The previous prime is 7540672247. The next prime is 7540672309. The reversal of 7540672291 is 1922760457.

It is not a de Polignac number, because 7540672291 - 2⁹ = 7540671779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7540673291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2702325 + ... + 2705113.

It is an arithmetic number, because the mean of its divisors is an integer number (347145750).

Almost surely, 2^7540672291 is an apocalyptic number.

7540672291 is a deficient number, since it is larger than the sum of its proper divisors (790825709).

7540672291 is a wasteful number, since it uses less digits than its factorization.

7540672291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123 (or 3100 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 7540672291 is about 86837.0444626025. The cubic root of 7540672291 is about 1960.9658133124.

The spelling of 7540672291 in words is "seven billion, five hundred forty million, six hundred seventy-two thousand, two hundred ninety-one".