74536471 has 2 divisors, whose sum is σ = 74536472. Its totient is φ = 74536470.

The previous prime is 74536459. The next prime is 74536481. The reversal of 74536471 is 17463547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74536471 - 2¹¹ = 74534423 is a prime.

It is a super-3 number, since 3×74536471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74536471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74536481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37268235 + 37268236.

It is an arithmetic number, because the mean of its divisors is an integer number (37268236).

Almost surely, 2^74536471 is an apocalyptic number.

74536471 is a deficient number, since it is larger than the sum of its proper divisors (1).

74536471 is an equidigital number, since it uses as much as digits as its factorization.

74536471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 74536471 is about 8633.4507006179. The cubic root of 74536471 is about 420.8457466608.

It can be divided in two parts, 7453 and 6471, that added together give a square (13924 = 118²).

The spelling of 74536471 in words is "seventy-four million, five hundred thirty-six thousand, four hundred seventy-one".