72551088433 has 16 divisors (see below), whose sum is σ = 74142651456. Its totient is φ = 70968156480.

The previous prime is 72551088371. The next prime is 72551088437. The reversal of 72551088433 is 33488015527.

It is a cyclic number.

It is not a de Polignac number, because 72551088433 - 2¹⁷ = 72550957361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72551088437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38043666 + ... + 38045572.

It is an arithmetic number, because the mean of its divisors is an integer number (4633915716).

Almost surely, 2^72551088433 is an apocalyptic number.

It is an amenable number.

72551088433 is a deficient number, since it is larger than the sum of its proper divisors (1591563023).

72551088433 is a wasteful number, since it uses less digits than its factorization.

72551088433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 72551088433 in words is "seventy-two billion, five hundred fifty-one million, eighty-eight thousand, four hundred thirty-three".