72581119 has 8 divisors (see below), whose sum is σ = 79982672. Its totient is φ = 65439360.

The previous prime is 72581063. The next prime is 72581141. The reversal of 72581119 is 91118527.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 72581119 - 2¹⁵ = 72548351 is a prime.

It is a super-2 number, since 2×72581119² = 10536037670584322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72581149) 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, 64362 + ... + 65479.

It is an arithmetic number, because the mean of its divisors is an integer number (9997834).

Almost surely, 2^72581119 is an apocalyptic number.

72581119 is a deficient number, since it is larger than the sum of its proper divisors (7401553).

72581119 is a wasteful number, since it uses less digits than its factorization.

72581119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129897.

The product of its digits is 5040, while the sum is 34.

The square root of 72581119 is about 8519.4553229652. The cubic root of 72581119 is about 417.1330041335.

The spelling of 72581119 in words is "seventy-two million, five hundred eighty-one thousand, one hundred nineteen".