74984250 has 128 divisors (see below), whose sum is σ = 208915200. Its totient is φ = 17760000.

The previous prime is 74984233. The next prime is 74984251. The reversal of 74984250 is 5248947.

It is a junction number, because it is equal to n+sod(n) for n = 74984199 and 74984208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74984251) 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 63 ways as a sum of consecutive naturals, for example, 503176 + ... + 503324.

It is an arithmetic number, because the mean of its divisors is an integer number (1632150).

Almost surely, 2^74984250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74984250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104457600).

74984250 is an abundant number, since it is smaller than the sum of its proper divisors (133930950).

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

74984250 is a wasteful number, since it uses less digits than its factorization.

74984250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 74984250 is about 8659.3446634257. The cubic root of 74984250 is about 421.6868104409.

The spelling of 74984250 in words is "seventy-four million, nine hundred eighty-four thousand, two hundred fifty".