72605459 has 8 divisors (see below), whose sum is σ = 75409920. Its totient is φ = 69853576.

The previous prime is 72605447. The next prime is 72605483. The reversal of 72605459 is 95450627.

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 72605459 - 2¹⁶ = 72539923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72604459) 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, 10319 + ... + 15864.

It is an arithmetic number, because the mean of its divisors is an integer number (9426240).

Almost surely, 2^72605459 is an apocalyptic number.

72605459 is a deficient number, since it is larger than the sum of its proper divisors (2804461).

72605459 is a wasteful number, since it uses less digits than its factorization.

72605459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26289.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 72605459 is about 8520.8836983027. The cubic root of 72605459 is about 417.1796272900.

The spelling of 72605459 in words is "seventy-two million, six hundred five thousand, four hundred fifty-nine".