72752051 has 2 divisors, whose sum is σ = 72752052. Its totient is φ = 72752050.

The previous prime is 72752041. The next prime is 72752089. The reversal of 72752051 is 15025727.

It is a weak prime.

It is an emirp because it is prime and its reverse (15025727) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72752051 - 2¹⁰ = 72751027 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (72752011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36376025 + 36376026.

It is an arithmetic number, because the mean of its divisors is an integer number (36376026).

Almost surely, 2^72752051 is an apocalyptic number.

72752051 is the 3815-th centered decagonal number.

72752051 is a deficient number, since it is larger than the sum of its proper divisors (1).

72752051 is an equidigital number, since it uses as much as digits as its factorization.

72752051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 72752051 is about 8529.4812855179. The cubic root of 72752051 is about 417.4602034568.

Adding to 72752051 its reverse (15025727), we get a palindrome (87777778).

The spelling of 72752051 in words is "seventy-two million, seven hundred fifty-two thousand, fifty-one".