72650552433 has 32 divisors (see below), whose sum is σ = 103472624640. Its totient is φ = 45231721920.

The previous prime is 72650552393. The next prime is 72650552441. The reversal of 72650552433 is 33425505627.

It is not a de Polignac number, because 72650552433 - 2¹² = 72650548337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72650552483) 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, 11660163 + ... + 11666391.

It is an arithmetic number, because the mean of its divisors is an integer number (3233519520).

Almost surely, 2^72650552433 is an apocalyptic number.

It is an amenable number.

72650552433 is a deficient number, since it is larger than the sum of its proper divisors (30822072207).

72650552433 is a wasteful number, since it uses less digits than its factorization.

72650552433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229.

The product of its (nonzero) digits is 756000, while the sum is 42.

The spelling of 72650552433 in words is "seventy-two billion, six hundred fifty million, five hundred fifty-two thousand, four hundred thirty-three".