72605151 has 6 divisors (see below), whose sum is σ = 104874120. Its totient is φ = 48403428.

The previous prime is 72605149. The next prime is 72605161. The reversal of 72605151 is 15150627.

72605151 is a `hidden beast` number, since 7 + 2 + 605 + 1 + 51 = 666.

It is not a de Polignac number, because 72605151 - 2¹ = 72605149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72605101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4033611 + ... + 4033628.

It is an arithmetic number, because the mean of its divisors is an integer number (17479020).

Almost surely, 2^72605151 is an apocalyptic number.

72605151 is a deficient number, since it is larger than the sum of its proper divisors (32268969).

72605151 is a wasteful number, since it uses less digits than its factorization.

72605151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8067245 (or 8067242 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 72605151 is about 8520.8656250407. The cubic root of 72605151 is about 417.1790373825.

Adding to 72605151 its reverse (15150627), we get a palindrome (87755778).

The spelling of 72605151 in words is "seventy-two million, six hundred five thousand, one hundred fifty-one".