72966549 has 8 divisors (see below), whose sum is σ = 97493760. Its totient is φ = 48541856.

The previous prime is 72966547. The next prime is 72966559. The reversal of 72966549 is 94566927.

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 72966549 - 2¹ = 72966547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72966498 and 72966507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72966547) 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, 23952 + ... + 26825.

It is an arithmetic number, because the mean of its divisors is an integer number (12186720).

Almost surely, 2^72966549 is an apocalyptic number.

It is an amenable number.

72966549 is a deficient number, since it is larger than the sum of its proper divisors (24527211).

72966549 is a wasteful number, since it uses less digits than its factorization.

72966549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51259.

The product of its digits is 816480, while the sum is 48.

The square root of 72966549 is about 8542.0459493028. The cubic root of 72966549 is about 417.8700728641.

The spelling of 72966549 in words is "seventy-two million, nine hundred sixty-six thousand, five hundred forty-nine".