74668880 has 160 divisors (see below), whose sum is σ = 209236608. Its totient is φ = 24422400.

The previous prime is 74668861. The next prime is 74668889. The reversal of 74668880 is 8886647.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74668889) 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 31 ways as a sum of consecutive naturals, for example, 697787 + ... + 697893.

Almost surely, 2^74668880 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 74668880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104618304).

74668880 is an abundant number, since it is smaller than the sum of its proper divisors (134567728).

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

74668880 is a wasteful number, since it uses less digits than its factorization.

74668880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 74668880 is about 8641.1156687085. The cubic root of 74668880 is about 421.0948005792.

The spelling of 74668880 in words is "seventy-four million, six hundred sixty-eight thousand, eight hundred eighty".