72094618 has 8 divisors (see below), whose sum is σ = 108284148. Its totient is φ = 35999904.

The previous prime is 72094597. The next prime is 72094621. The reversal of 72094618 is 81649027.

It can be written as a sum of positive squares in 2 ways, for example, as 61355889 + 10738729 = 7833^2 + 3277^2 .

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

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, 21771 + ... + 24862.

Almost surely, 2^72094618 is an apocalyptic number.

72094618 is a deficient number, since it is larger than the sum of its proper divisors (36189530).

72094618 is a wasteful number, since it uses less digits than its factorization.

72094618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47408.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 72094618 is about 8490.8549628409. The cubic root of 72094618 is about 416.1989194444.

The spelling of 72094618 in words is "seventy-two million, ninety-four thousand, six hundred eighteen".