74494000 has 160 divisors (see below), whose sum is σ = 218664576. Its totient is φ = 23961600.

The previous prime is 74493917. The next prime is 74494001. The reversal of 74494000 is 49447.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 74494000.

It is not an unprimeable number, because it can be changed into a prime (74494001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237844 + ... + 238156.

Almost surely, 2^74494000 is an apocalyptic number.

74494000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74494000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109332288).

74494000 is an abundant number, since it is smaller than the sum of its proper divisors (144170576).

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

74494000 is a wasteful number, since it uses less digits than its factorization.

74494000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 74494000 is about 8630.9906731499. The cubic root of 74494000 is about 420.7657986149.

It can be divided in two parts, 7449 and 4000, that added together give a square (11449 = 107²).

The spelling of 74494000 in words is "seventy-four million, four hundred ninety-four thousand".