74840063 has 2 divisors, whose sum is σ = 74840064. Its totient is φ = 74840062.

The previous prime is 74840053. The next prime is 74840071. The reversal of 74840063 is 36004847.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74840063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74840023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37420031 + 37420032.

It is an arithmetic number, because the mean of its divisors is an integer number (37420032).

Almost surely, 2^74840063 is an apocalyptic number.

74840063 is a deficient number, since it is larger than the sum of its proper divisors (1).

74840063 is an equidigital number, since it uses as much as digits as its factorization.

74840063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 74840063 is about 8651.0151427448. The cubic root of 74840063 is about 421.4163502236.

The spelling of 74840063 in words is "seventy-four million, eight hundred forty thousand, sixty-three".