72584066 has 8 divisors (see below), whose sum is σ = 114606480. Its totient is φ = 34381908.

The previous prime is 72584023. The next prime is 72584093. The reversal of 72584066 is 66048527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1910107 = 72584066 / (7 + 2 + 5 + 8 + 4 + 0 + 6 + 6).

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 3 ways as a sum of consecutive naturals, for example, 955016 + ... + 955091.

It is an arithmetic number, because the mean of its divisors is an integer number (14325810).

Almost surely, 2^72584066 is an apocalyptic number.

72584066 is a deficient number, since it is larger than the sum of its proper divisors (42022414).

72584066 is a wasteful number, since it uses less digits than its factorization.

72584066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910128.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 72584066 is about 8519.6282782760. The cubic root of 72584066 is about 417.1386496528.

The spelling of 72584066 in words is "seventy-two million, five hundred eighty-four thousand, sixty-six".