72042357751 has 12 divisors (see below), whose sum is σ = 90250866552. Its totient is φ = 57000546288.

The previous prime is 72042357731. The next prime is 72042357763. The reversal of 72042357751 is 15775324027.

It is not a de Polignac number, because 72042357751 - 2⁵ = 72042357719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72042357698 and 72042357707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72042357731) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 56547525 + ... + 56548798.

It is an arithmetic number, because the mean of its divisors is an integer number (7520905546).

Almost surely, 2^72042357751 is an apocalyptic number.

72042357751 is a deficient number, since it is larger than the sum of its proper divisors (18208508801).

72042357751 is a wasteful number, since it uses less digits than its factorization.

72042357751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113096350 (or 113096343 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 43.

The spelling of 72042357751 in words is "seventy-two billion, forty-two million, three hundred fifty-seven thousand, seven hundred fifty-one".