7540244705 has 12 divisors (see below), whose sum is σ = 10525566420. Its totient is φ = 5170453344.

The previous prime is 7540244683. The next prime is 7540244729. The reversal of 7540244705 is 5074420457.

It can be written as a sum of positive squares in 2 ways, for example, as 3314074624 + 4226170081 = 57568^2 + 65009^2 .

It is not a de Polignac number, because 7540244705 - 2⁶ = 7540244641 is a prime.

It is a super-2 number, since 2×7540244705² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15388010 + ... + 15388499.

It is an arithmetic number, because the mean of its divisors is an integer number (877130535).

Almost surely, 2^7540244705 is an apocalyptic number.

It is an amenable number.

7540244705 is a deficient number, since it is larger than the sum of its proper divisors (2985321715).

7540244705 is a wasteful number, since it uses less digits than its factorization.

7540244705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30776528 (or 30776521 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 38.

The square root of 7540244705 is about 86834.5824254369. The cubic root of 7540244705 is about 1960.9287477677.

The spelling of 7540244705 in words is "seven billion, five hundred forty million, two hundred forty-four thousand, seven hundred five".