74949744 has 20 divisors (see below), whose sum is σ = 193620296. Its totient is φ = 24983232.

The previous prime is 74949733. The next prime is 74949761. The reversal of 74949744 is 44794947.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1561453 = 74949744 / (7 + 4 + 9 + 4 + 9 + 7 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 74949693 and 74949702.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 780679 + ... + 780774.

Almost surely, 2^74949744 is an apocalyptic number.

It is an amenable number.

74949744 is an abundant number, since it is smaller than the sum of its proper divisors (118670552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74949744 is a wasteful number, since it uses less digits than its factorization.

74949744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561464 (or 1561458 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 74949744 is about 8657.3520201041. The cubic root of 74949744 is about 421.6221170437.

The spelling of 74949744 in words is "seventy-four million, nine hundred forty-nine thousand, seven hundred forty-four".