72947467055 has 16 divisors (see below), whose sum is σ = 88857597024. Its totient is φ = 57477826560.

The previous prime is 72947467051. The next prime is 72947467057. The reversal of 72947467055 is 55076474927.

It is not a de Polignac number, because 72947467055 - 2² = 72947467051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72947467051) 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, 2758295 + ... + 2784615.

It is an arithmetic number, because the mean of its divisors is an integer number (5553599814).

Almost surely, 2^72947467055 is an apocalyptic number.

72947467055 is a deficient number, since it is larger than the sum of its proper divisors (15910129969).

72947467055 is a wasteful number, since it uses less digits than its factorization.

72947467055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34666.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 72947467055 in words is "seventy-two billion, nine hundred forty-seven million, four hundred sixty-seven thousand, fifty-five".