74361888 has 144 divisors (see below), whose sum is σ = 223999776. Its totient is φ = 24261120.

The previous prime is 74361869. The next prime is 74361899. The reversal of 74361888 is 88816347.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 567583 + ... + 567713.

It is an arithmetic number, because the mean of its divisors is an integer number (1555554).

Almost surely, 2^74361888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74361888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111999888).

74361888 is an abundant number, since it is smaller than the sum of its proper divisors (149637888).

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

74361888 is a wasteful number, since it uses less digits than its factorization.

74361888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 209 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 74361888 is about 8623.3339260404. Note that the first 3 decimals coincide. The cubic root of 74361888 is about 420.5169145673.

The spelling of 74361888 in words is "seventy-four million, three hundred sixty-one thousand, eight hundred eighty-eight".