72616151 has 4 divisors (see below), whose sum is σ = 72681600. Its totient is φ = 72550704.

The previous prime is 72616139. The next prime is 72616177. The reversal of 72616151 is 15161627.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72616151 - 2¹⁴ = 72599767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72616351) 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 3 ways as a sum of consecutive naturals, for example, 31031 + ... + 33288.

It is an arithmetic number, because the mean of its divisors is an integer number (18170400).

Almost surely, 2^72616151 is an apocalyptic number.

72616151 is a deficient number, since it is larger than the sum of its proper divisors (65449).

72616151 is a wasteful number, since it uses less digits than its factorization.

72616151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65448.

The product of its digits is 2520, while the sum is 29.

The square root of 72616151 is about 8521.5110749209. The cubic root of 72616151 is about 417.2001044722.

Adding to 72616151 its reverse (15161627), we get a palindrome (87777778).

The spelling of 72616151 in words is "seventy-two million, six hundred sixteen thousand, one hundred fifty-one".