72575471 has 2 divisors, whose sum is σ = 72575472. Its totient is φ = 72575470.

The previous prime is 72575423. The next prime is 72575509. The reversal of 72575471 is 17457527.

It is an a-pointer prime, because the next prime (72575509) can be obtained adding 72575471 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72575471 - 2¹⁴ = 72559087 is a prime.

It is a super-3 number, since 3×72575471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72575071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36287735 + 36287736.

It is an arithmetic number, because the mean of its divisors is an integer number (36287736).

Almost surely, 2^72575471 is an apocalyptic number.

72575471 is a deficient number, since it is larger than the sum of its proper divisors (1).

72575471 is an equidigital number, since it uses as much as digits as its factorization.

72575471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68600, while the sum is 38.

The square root of 72575471 is about 8519.1238399263. The cubic root of 72575471 is about 417.1221839260.

The spelling of 72575471 in words is "seventy-two million, five hundred seventy-five thousand, four hundred seventy-one".