72485919 has 12 divisors (see below), whose sum is σ = 114220392. Its totient is φ = 43930800.

The previous prime is 72485899. The next prime is 72485929. The reversal of 72485919 is 91958427.

It is not a de Polignac number, because 72485919 - 2⁵ = 72485887 is a prime.

It is a super-2 number, since 2×72485919² = 10508416906549122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72485929) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 365992 + ... + 366189.

It is an arithmetic number, because the mean of its divisors is an integer number (9518366).

Almost surely, 2^72485919 is an apocalyptic number.

72485919 is a deficient number, since it is larger than the sum of its proper divisors (41734473).

72485919 is a wasteful number, since it uses less digits than its factorization.

72485919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732198 (or 732195 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 72485919 is about 8513.8662780196. The cubic root of 72485919 is about 416.9505488001.

The spelling of 72485919 in words is "seventy-two million, four hundred eighty-five thousand, nine hundred nineteen".