72656419235 has 16 divisors (see below), whose sum is σ = 92882280960. Its totient is φ = 54402467040.

The previous prime is 72656419223. The next prime is 72656419249. The reversal of 72656419235 is 53291465627.

It is not a de Polignac number, because 72656419235 - 2¹⁶ = 72656353699 is a prime.

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, 4599371 + ... + 4615140.

It is an arithmetic number, because the mean of its divisors is an integer number (5805142560).

Almost surely, 2^72656419235 is an apocalyptic number.

72656419235 is a deficient number, since it is larger than the sum of its proper divisors (20225861725).

72656419235 is a wasteful number, since it uses less digits than its factorization.

72656419235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214618.

The product of its digits is 2721600, while the sum is 50.

The spelling of 72656419235 in words is "seventy-two billion, six hundred fifty-six million, four hundred nineteen thousand, two hundred thirty-five".