7481540361 has 8 divisors (see below), whose sum is σ = 9975933184. Its totient is φ = 4987420560.

The previous prime is 7481540351. The next prime is 7481540369. The reversal of 7481540361 is 1630451847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7481540361 - 2⁵ = 7481540329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7481540369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7791 + ... + 122571.

It is an arithmetic number, because the mean of its divisors is an integer number (1246991648).

Almost surely, 2^7481540361 is an apocalyptic number.

It is an amenable number.

7481540361 is a deficient number, since it is larger than the sum of its proper divisors (2494392823).

7481540361 is a wasteful number, since it uses less digits than its factorization.

7481540361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136511.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 7481540361 is about 86495.8979431973. The cubic root of 7481540361 is about 1955.8265669282.

The spelling of 7481540361 in words is "seven billion, four hundred eighty-one million, five hundred forty thousand, three hundred sixty-one".