74794146 has 48 divisors (see below), whose sum is σ = 180465984. Its totient is φ = 20240928.

The previous prime is 74794141. The next prime is 74794163. The reversal of 74794146 is 64149747.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 74794098 and 74794107.

It is not an unprimeable number, because it can be changed into a prime (74794141) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12696 + ... + 17628.

It is an arithmetic number, because the mean of its divisors is an integer number (3759708).

Almost surely, 2^74794146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74794146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90232992).

74794146 is an abundant number, since it is smaller than the sum of its proper divisors (105671838).

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

74794146 is a wasteful number, since it uses less digits than its factorization.

74794146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4964 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 74794146 is about 8648.3608851620. The cubic root of 74794146 is about 421.3301480280.

The spelling of 74794146 in words is "seventy-four million, seven hundred ninety-four thousand, one hundred forty-six".