74308860 has 192 divisors, whose sum is σ = 250306560. Its totient is φ = 18247680.

The previous prime is 74308849. The next prime is 74308877. The reversal of 74308860 is 6880347.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 384924 + ... + 385116.

It is an arithmetic number, because the mean of its divisors is an integer number (1303680).

Almost surely, 2^74308860 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 74308860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125153280).

74308860 is an abundant number, since it is smaller than the sum of its proper divisors (175997700).

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

74308860 is a wasteful number, since it uses less digits than its factorization.

74308860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74308860 is about 8620.2586968142. The cubic root of 74308860 is about 420.4169329136.

It can be divided in two parts, 7430 and 8860, that added together give a triangular number (16290 = T₁₈₀).

The spelling of 74308860 in words is "seventy-four million, three hundred eight thousand, eight hundred sixty".