74909063 has 2 divisors, whose sum is σ = 74909064. Its totient is φ = 74909062.

The previous prime is 74909057. The next prime is 74909083. The reversal of 74909063 is 36090947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74909063 - 2⁸ = 74908807 is a prime.

It is a super-2 number, since 2×74909063² = 11222735439075938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74909033) 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, 37454531 + 37454532.

It is an arithmetic number, because the mean of its divisors is an integer number (37454532).

Almost surely, 2^74909063 is an apocalyptic number.

74909063 is a deficient number, since it is larger than the sum of its proper divisors (1).

74909063 is an equidigital number, since it uses as much as digits as its factorization.

74909063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 74909063 is about 8655.0021952626. The cubic root of 74909063 is about 421.5458209702.

Subtracting from 74909063 its sum of digits (38), we obtain a square (74909025 = 8655²).

The spelling of 74909063 in words is "seventy-four million, nine hundred nine thousand, sixty-three".