72404326735 has 16 divisors (see below), whose sum is σ = 94753088640. Its totient is φ = 52790999040.

The previous prime is 72404326727. The next prime is 72404326763. The reversal of 72404326735 is 53762340427.

It is not a de Polignac number, because 72404326735 - 2³ = 72404326727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72404326691 and 72404326700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7044946 + ... + 7055215.

It is an arithmetic number, because the mean of its divisors is an integer number (5922068040).

Almost surely, 2^72404326735 is an apocalyptic number.

72404326735 is a deficient number, since it is larger than the sum of its proper divisors (22348761905).

72404326735 is a wasteful number, since it uses less digits than its factorization.

72404326735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14100258.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 72404326735 in words is "seventy-two billion, four hundred four million, three hundred twenty-six thousand, seven hundred thirty-five".