72605011 has 8 divisors (see below), whose sum is σ = 77483520. Its totient is φ = 67794048.

The previous prime is 72604991. The next prime is 72605017. The reversal of 72605011 is 11050627.

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 72605011 - 2⁵ = 72604979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72605017) 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, 14656 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (9685440).

Almost surely, 2^72605011 is an apocalyptic number.

72605011 is a deficient number, since it is larger than the sum of its proper divisors (4878509).

72605011 is a wasteful number, since it uses less digits than its factorization.

72605011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33773.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 72605011 is about 8520.8574099089. The cubic root of 72605011 is about 417.1787692422.

Adding to 72605011 its reverse (11050627), we get a palindrome (83655638).

The spelling of 72605011 in words is "seventy-two million, six hundred five thousand, eleven".