72049151 has 2 divisors, whose sum is σ = 72049152. Its totient is φ = 72049150.

The previous prime is 72049127. The next prime is 72049163. The reversal of 72049151 is 15194027.

It is a strong prime.

It is an emirp because it is prime and its reverse (15194027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72049151 - 2¹⁰ = 72048127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72049181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36024575 + 36024576.

It is an arithmetic number, because the mean of its divisors is an integer number (36024576).

Almost surely, 2^72049151 is an apocalyptic number.

72049151 is a deficient number, since it is larger than the sum of its proper divisors (1).

72049151 is an equidigital number, since it uses as much as digits as its factorization.

72049151 is an evil number, because the sum of its binary digits is even.

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

The square root of 72049151 is about 8488.1771305740. The cubic root of 72049151 is about 416.1114080774. Note that the first 3 decimals are identical.

The spelling of 72049151 in words is "seventy-two million, forty-nine thousand, one hundred fifty-one".