7245403761755 has 32 divisors (see below), whose sum is σ = 8747091400320. Its totient is φ = 5761379819520.

The previous prime is 7245403761731. The next prime is 7245403761821. The reversal of 7245403761755 is 5571673045427.

It is a de Polignac number, because none of the positive numbers 2^k-7245403761755 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7245403761755.

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, 967469051 + ... + 967476539.

It is an arithmetic number, because the mean of its divisors is an integer number (273346606260).

Almost surely, 2^{7245403761755} is an apocalyptic number.

7245403761755 is a deficient number, since it is larger than the sum of its proper divisors (1501687638565).

7245403761755 is a wasteful number, since it uses less digits than its factorization.

7245403761755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479.

The product of its (nonzero) digits is 24696000, while the sum is 56.

The spelling of 7245403761755 in words is "seven trillion, two hundred forty-five billion, four hundred three million, seven hundred sixty-one thousand, seven hundred fifty-five".