72495655 has 16 divisors (see below), whose sum is σ = 91113984. Its totient is φ = 55269280.

The previous prime is 72495629. The next prime is 72495677. The reversal of 72495655 is 55659427.

It is not a de Polignac number, because 72495655 - 2¹³ = 72487463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34752 + ... + 36778.

It is an arithmetic number, because the mean of its divisors is an integer number (5694624).

Almost surely, 2^72495655 is an apocalyptic number.

72495655 is a deficient number, since it is larger than the sum of its proper divisors (18618329).

72495655 is a wasteful number, since it uses less digits than its factorization.

72495655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its digits is 378000, while the sum is 43.

The square root of 72495655 is about 8514.4380319549. The cubic root of 72495655 is about 416.9692156385.

The spelling of 72495655 in words is "seventy-two million, four hundred ninety-five thousand, six hundred fifty-five".