72416051 has 2 divisors, whose sum is σ = 72416052. Its totient is φ = 72416050.

The previous prime is 72416041. The next prime is 72416053. The reversal of 72416051 is 15061427.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72416051 - 2¹⁰ = 72415027 is a prime.

Together with 72416053, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72416051.

It is not a weakly prime, because it can be changed into another prime (72416053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36208025 + 36208026.

It is an arithmetic number, because the mean of its divisors is an integer number (36208026).

Almost surely, 2^72416051 is an apocalyptic number.

72416051 is a deficient number, since it is larger than the sum of its proper divisors (1).

72416051 is an equidigital number, since it uses as much as digits as its factorization.

72416051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 72416051 is about 8509.7621000825. The cubic root of 72416051 is about 416.8165417812.

Adding to 72416051 its reverse (15061427), we get a palindrome (87477478).

The spelling of 72416051 in words is "seventy-two million, four hundred sixteen thousand, fifty-one".