72554541 has 8 divisors (see below), whose sum is σ = 96784224. Its totient is φ = 48347280.

The previous prime is 72554527. The next prime is 72554551. The reversal of 72554541 is 14545527.

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

It is not a de Polignac number, because 72554541 - 2⁷ = 72554413 is a prime.

It is a super-2 number, since 2×72554541² = 10528322839441362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72554551) 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 7 ways as a sum of consecutive naturals, for example, 4606 + ... + 12896.

It is an arithmetic number, because the mean of its divisors is an integer number (12098028).

Almost surely, 2^72554541 is an apocalyptic number.

It is an amenable number.

72554541 is a deficient number, since it is larger than the sum of its proper divisors (24229683).

72554541 is a wasteful number, since it uses less digits than its factorization.

72554541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11211.

The product of its digits is 28000, while the sum is 33.

The square root of 72554541 is about 8517.8953386385. The cubic root of 72554541 is about 417.0820821920.

The spelling of 72554541 in words is "seventy-two million, five hundred fifty-four thousand, five hundred forty-one".