74561748 has 12 divisors (see below), whose sum is σ = 173977440. Its totient is φ = 24853912.

The previous prime is 74561743. The next prime is 74561783. The reversal of 74561748 is 84716547.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74561743) 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 3 ways as a sum of consecutive naturals, for example, 3106728 + ... + 3106751.

It is an arithmetic number, because the mean of its divisors is an integer number (14498120).

Almost surely, 2^74561748 is an apocalyptic number.

It is an amenable number.

74561748 is an abundant number, since it is smaller than the sum of its proper divisors (99415692).

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

74561748 is a wasteful number, since it uses less digits than its factorization.

74561748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213486 (or 6213484 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 74561748 is about 8634.9144755464. The cubic root of 74561748 is about 420.8933140486.

The spelling of 74561748 in words is "seventy-four million, five hundred sixty-one thousand, seven hundred forty-eight".