74986884 has 144 divisors (see below), whose sum is σ = 228953088. Its totient is φ = 21018528.

The previous prime is 74986871. The next prime is 74986897. The reversal of 74986884 is 48868947.

It is an interprime number because it is at equal distance from previous prime (74986871) and next prime (74986897).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 74986884.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 700759 + ... + 700865.

It is an arithmetic number, because the mean of its divisors is an integer number (1589952).

Almost surely, 2^74986884 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 74986884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114476544).

74986884 is an abundant number, since it is smaller than the sum of its proper divisors (153966204).

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

74986884 is a wasteful number, since it uses less digits than its factorization.

74986884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 222 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 74986884 is about 8659.4967521213. The cubic root of 74986884 is about 421.6917479669.

The spelling of 74986884 in words is "seventy-four million, nine hundred eighty-six thousand, eight hundred eighty-four".