74769888 has 96 divisors (see below), whose sum is σ = 205752960. Its totient is φ = 23744000.

The previous prime is 74769869. The next prime is 74769931. The reversal of 74769888 is 88896747.

It is a tau number, because it is divible by the number of its divisors (96).

Its product of digits (5419008) is a multiple of the sum of its prime divisors (392).

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 15 ways as a sum of consecutive naturals, for example, 297763 + ... + 298013.

It is an arithmetic number, because the mean of its divisors is an integer number (2143260).

Almost surely, 2^74769888 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 74769888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102876480).

74769888 is an abundant number, since it is smaller than the sum of its proper divisors (130983072).

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

74769888 is a wasteful number, since it uses less digits than its factorization.

74769888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 392 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 57.

The square root of 74769888 is about 8646.9583091397. The cubic root of 74769888 is about 421.2845930729.

It can be divided in two parts, 74769 and 888, that added together give a palindrome (75657).

The spelling of 74769888 in words is "seventy-four million, seven hundred sixty-nine thousand, eight hundred eighty-eight".