74045663 has 2 divisors, whose sum is σ = 74045664. Its totient is φ = 74045662.

The previous prime is 74045651. The next prime is 74045743. The reversal of 74045663 is 36654047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74045663 - 2²⁰ = 72997087 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 (74045263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37022831 + 37022832.

It is an arithmetic number, because the mean of its divisors is an integer number (37022832).

Almost surely, 2^74045663 is an apocalyptic number.

74045663 is a deficient number, since it is larger than the sum of its proper divisors (1).

74045663 is an equidigital number, since it uses as much as digits as its factorization.

74045663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 74045663 is about 8604.9789656919. The cubic root of 74045663 is about 419.9199828667.

The spelling of 74045663 in words is "seventy-four million, forty-five thousand, six hundred sixty-three".