72548369 has 8 divisors (see below), whose sum is σ = 73313280. Its totient is φ = 71786736.

The previous prime is 72548363. The next prime is 72548381. The reversal of 72548369 is 96384527.

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 72548369 - 2¹² = 72544273 is a prime.

It is a super-2 number, since 2×72548369² = 10526531689120322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72548363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93467 + ... + 94239.

It is an arithmetic number, because the mean of its divisors is an integer number (9164160).

Almost surely, 2^72548369 is an apocalyptic number.

It is an amenable number.

72548369 is a deficient number, since it is larger than the sum of its proper divisors (764911).

72548369 is a wasteful number, since it uses less digits than its factorization.

72548369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639.

The product of its digits is 362880, while the sum is 44.

The square root of 72548369 is about 8517.5330348640. The cubic root of 72548369 is about 417.0702552107.

It can be divided in two parts, 725 and 48369, that added together give a palindrome (49094).

The spelling of 72548369 in words is "seventy-two million, five hundred forty-eight thousand, three hundred sixty-nine".