7261447121754 has 64 divisors (see below), whose sum is σ = 17144253849600. Its totient is φ = 2006454548160.

The previous prime is 7261447121717. The next prime is 7261447121807. The reversal of 7261447121754 is 4571217441627.

It is a super-2 number, since 2×7261447121754² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7261447121697 and 7261447121706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151972 + ... + 3813920.

It is an arithmetic number, because the mean of its divisors is an integer number (267878966400).

Almost surely, 2^{7261447121754} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7261447121754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8572126924800).

7261447121754 is an abundant number, since it is smaller than the sum of its proper divisors (9882806727846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7261447121754 is a wasteful number, since it uses less digits than its factorization.

7261447121754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663515.

The product of its digits is 2634240, while the sum is 51.

The spelling of 7261447121754 in words is "seven trillion, two hundred sixty-one billion, four hundred forty-seven million, one hundred twenty-one thousand, seven hundred fifty-four".