72407717115303 has 16 divisors (see below), whose sum is σ = 96814651727360. Its totient is φ = 48136382277696.

The previous prime is 72407717115287. The next prime is 72407717115311. The reversal of 72407717115303 is 30351171770427.

It is a happy number.

It is not a de Polignac number, because 72407717115303 - 2⁴ = 72407717115287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72407717115323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7268425 + ... + 14058642.

It is an arithmetic number, because the mean of its divisors is an integer number (6050915732960).

Almost surely, 2^{72407717115303} is an apocalyptic number.

72407717115303 is a deficient number, since it is larger than the sum of its proper divisors (24406934612057).

72407717115303 is a wasteful number, since it uses less digits than its factorization.

72407717115303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21330246.

The product of its (nonzero) digits is 864360, while the sum is 48.

The spelling of 72407717115303 in words is "seventy-two trillion, four hundred seven billion, seven hundred seventeen million, one hundred fifteen thousand, three hundred three".