74060647 has 2 divisors, whose sum is σ = 74060648. Its totient is φ = 74060646.

The previous prime is 74060639. The next prime is 74060669. The reversal of 74060647 is 74606047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74060647 - 2³ = 74060639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74060627) 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, 37030323 + 37030324.

It is an arithmetic number, because the mean of its divisors is an integer number (37030324).

Almost surely, 2^74060647 is an apocalyptic number.

74060647 is a deficient number, since it is larger than the sum of its proper divisors (1).

74060647 is an equidigital number, since it uses as much as digits as its factorization.

74060647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 74060647 is about 8605.8495803726. The cubic root of 74060647 is about 419.9483061850.

The spelling of 74060647 in words is "seventy-four million, sixty thousand, six hundred forty-seven".