72686254035 has 32 divisors (see below), whose sum is σ = 119700910080. Its totient is φ = 37647792000.

The previous prime is 72686254033. The next prime is 72686254111. The reversal of 72686254035 is 53045268627.

It is not a de Polignac number, because 72686254035 - 2¹ = 72686254033 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (72686254033) 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 31 ways as a sum of consecutive naturals, for example, 430491 + ... + 575060.

It is an arithmetic number, because the mean of its divisors is an integer number (3740653440).

Almost surely, 2^72686254035 is an apocalyptic number.

72686254035 is a deficient number, since it is larger than the sum of its proper divisors (47014656045).

72686254035 is a wasteful number, since it uses less digits than its factorization.

72686254035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005699.

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 72686254035 in words is "seventy-two billion, six hundred eighty-six million, two hundred fifty-four thousand, thirty-five".