72404452758 has 32 divisors (see below), whose sum is σ = 160331172480. Its totient is φ = 21613268160.

The previous prime is 72404452751. The next prime is 72404452759. The reversal of 72404452758 is 85725440427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72404452751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8182423 + ... + 8191266.

It is an arithmetic number, because the mean of its divisors is an integer number (5010349140).

Almost surely, 2^72404452758 is an apocalyptic number.

72404452758 is an abundant number, since it is smaller than the sum of its proper divisors (87926719722).

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

72404452758 is a wasteful number, since it uses less digits than its factorization.

72404452758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16373772.

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 72404452758 in words is "seventy-two billion, four hundred four million, four hundred fifty-two thousand, seven hundred fifty-eight".