72019885 has 8 divisors (see below), whose sum is σ = 98770176. Its totient is φ = 49385040.

The previous prime is 72019873. The next prime is 72019889. The reversal of 72019885 is 58891027.

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

It is not a de Polignac number, because 72019885 - 2⁵ = 72019853 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 (72019889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028821 + ... + 1028890.

It is an arithmetic number, because the mean of its divisors is an integer number (12346272).

Almost surely, 2^72019885 is an apocalyptic number.

It is an amenable number.

72019885 is a deficient number, since it is larger than the sum of its proper divisors (26750291).

72019885 is a wasteful number, since it uses less digits than its factorization.

72019885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057723.

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 72019885 is about 8486.4530282091. The cubic root of 72019885 is about 416.0550596655.

The spelling of 72019885 in words is "seventy-two million, nineteen thousand, eight hundred eighty-five".