774248427 has 12 divisors (see below), whose sum is σ = 1132516320. Its totient is φ = 509631408.

The previous prime is 774248413. The next prime is 774248441. The reversal of 774248427 is 724842477.

It is an interprime number because it is at equal distance from previous prime (774248413) and next prime (774248441).

It is not a de Polignac number, because 774248427 - 2¹⁶ = 774182891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (774248227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543768 + ... + 545189.

It is an arithmetic number, because the mean of its divisors is an integer number (94376360).

Almost surely, 2^774248427 is an apocalyptic number.

774248427 is a deficient number, since it is larger than the sum of its proper divisors (358267893).

774248427 is a wasteful number, since it uses less digits than its factorization.

774248427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089042 (or 1089039 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 774248427 is about 27825.3198903445. The cubic root of 774248427 is about 918.2482525942.

It can be divided in two parts, 7742 and 48427, that added together give a square (56169 = 237²).

The spelling of 774248427 in words is "seven hundred seventy-four million, two hundred forty-eight thousand, four hundred twenty-seven".