72847055 has 16 divisors (see below), whose sum is σ = 90630144. Its totient is φ = 56151840.

The previous prime is 72847009. The next prime is 72847063. The reversal of 72847055 is 55074827.

It is not a de Polignac number, because 72847055 - 2¹⁰ = 72846031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39872 + ... + 41658.

It is an arithmetic number, because the mean of its divisors is an integer number (5664384).

Almost surely, 2^72847055 is an apocalyptic number.

72847055 is a deficient number, since it is larger than the sum of its proper divisors (17783089).

72847055 is a wasteful number, since it uses less digits than its factorization.

72847055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 72847055 is about 8535.0486231773. The cubic root of 72847055 is about 417.6418392893.

The spelling of 72847055 in words is "seventy-two million, eight hundred forty-seven thousand, fifty-five".