74475549 has 12 divisors (see below), whose sum is σ = 109050396. Its totient is φ = 48969792.

The previous prime is 74475539. The next prime is 74475559. The reversal of 74475549 is 94557447.

It is an interprime number because it is at equal distance from previous prime (74475539) and next prime (74475559).

It can be written as a sum of positive squares in 2 ways, for example, as 16867449 + 57608100 = 4107^2 + 7590^2 .

It is not a de Polignac number, because 74475549 - 2¹⁷ = 74344477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74475539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56022 + ... + 57335.

It is an arithmetic number, because the mean of its divisors is an integer number (9087533).

Almost surely, 2^74475549 is an apocalyptic number.

It is an amenable number.

74475549 is a deficient number, since it is larger than the sum of its proper divisors (34574847).

74475549 is a wasteful number, since it uses less digits than its factorization.

74475549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113436 (or 113433 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 74475549 is about 8629.9217261804. The cubic root of 74475549 is about 420.7310567082.

It can be divided in two parts, 7447 and 5549, that added together give a square (12996 = 114²).

The spelling of 74475549 in words is "seventy-four million, four hundred seventy-five thousand, five hundred forty-nine".