74254969 has 2 divisors, whose sum is σ = 74254970. Its totient is φ = 74254968.

The previous prime is 74254949. The next prime is 74254979. The reversal of 74254969 is 96945247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73736569 + 518400 = 8587^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 74254969 - 2⁷ = 74254841 is a prime.

It is a super-2 number, since 2×74254969² = 11027600842381922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74254949) 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, 37127484 + 37127485.

It is an arithmetic number, because the mean of its divisors is an integer number (37127485).

Almost surely, 2^74254969 is an apocalyptic number.

It is an amenable number.

74254969 is a deficient number, since it is larger than the sum of its proper divisors (1).

74254969 is an equidigital number, since it uses as much as digits as its factorization.

74254969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 74254969 is about 8617.1322956074. The cubic root of 74254969 is about 420.3152753713.

The spelling of 74254969 in words is "seventy-four million, two hundred fifty-four thousand, nine hundred sixty-nine".