74849744 has 10 divisors (see below), whose sum is σ = 145021410. Its totient is φ = 37424864.

The previous prime is 74849743. The next prime is 74849771. The reversal of 74849744 is 44794847.

It can be written as a sum of positive squares in only one way, i.e., 62599744 + 12250000 = 7912^2 + 3500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74849743) 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, 2339039 + ... + 2339070.

It is an arithmetic number, because the mean of its divisors is an integer number (14502141).

Almost surely, 2^74849744 is an apocalyptic number.

It is an amenable number.

74849744 is a deficient number, since it is larger than the sum of its proper divisors (70171666).

74849744 is a wasteful number, since it uses less digits than its factorization.

74849744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4678117 (or 4678111 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 74849744 is about 8651.5746543621. The cubic root of 74849744 is about 421.4345203302.

The spelling of 74849744 in words is "seventy-four million, eight hundred forty-nine thousand, seven hundred forty-four".