72510549 has 8 divisors (see below), whose sum is σ = 98124000. Its totient is φ = 47618736.

The previous prime is 72510539. The next prime is 72510553. The reversal of 72510549 is 94501527.

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

It is not a de Polignac number, because 72510549 - 2⁹ = 72510037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72510539) 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, 180174 + ... + 180575.

It is an arithmetic number, because the mean of its divisors is an integer number (12265500).

Almost surely, 2^72510549 is an apocalyptic number.

It is an amenable number.

72510549 is a deficient number, since it is larger than the sum of its proper divisors (25613451).

72510549 is a wasteful number, since it uses less digits than its factorization.

72510549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360819.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 72510549 is about 8515.3126190411. The cubic root of 72510549 is about 416.9977686796.

The spelling of 72510549 in words is "seventy-two million, five hundred ten thousand, five hundred forty-nine".