7240123347736 has 128 divisors (see below), whose sum is σ = 14778547200000. Its totient is φ = 3317213652480.

The previous prime is 7240123347733. The next prime is 7240123347757. The reversal of 7240123347736 is 6377433210427.

It is a self number, because there is not a number n which added to its sum of digits gives 7240123347736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7240123347733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84614271 + ... + 84699793.

It is an arithmetic number, because the mean of its divisors is an integer number (115457400000).

Almost surely, 2^{7240123347736} is an apocalyptic number.

It is an amenable number.

7240123347736 is an abundant number, since it is smaller than the sum of its proper divisors (7538423852264).

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

7240123347736 is a wasteful number, since it uses less digits than its factorization.

7240123347736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85817 (or 85813 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 49.

The spelling of 7240123347736 in words is "seven trillion, two hundred forty billion, one hundred twenty-three million, three hundred forty-seven thousand, seven hundred thirty-six".