74791449 has 12 divisors (see below), whose sum is σ = 114387156. Its totient is φ = 46927872.

The previous prime is 74791447. The next prime is 74791459. The reversal of 74791449 is 94419747.

It can be written as a sum of positive squares in 2 ways, for example, as 56025225 + 18766224 = 7485^2 + 4332^2 .

It is not a de Polignac number, because 74791449 - 2¹ = 74791447 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74791441) 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 in 11 ways as a sum of consecutive naturals, for example, 244264 + ... + 244569.

It is an arithmetic number, because the mean of its divisors is an integer number (9532263).

Almost surely, 2^74791449 is an apocalyptic number.

It is an amenable number.

74791449 is a deficient number, since it is larger than the sum of its proper divisors (39595707).

74791449 is a wasteful number, since it uses less digits than its factorization.

74791449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488856 (or 488853 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 74791449 is about 8648.2049582558. The cubic root of 74791449 is about 421.3250837232.

The spelling of 74791449 in words is "seventy-four million, seven hundred ninety-one thousand, four hundred forty-nine".