74820194 has 16 divisors (see below), whose sum is σ = 113714496. Its totient is φ = 36918000.

The previous prime is 74820149. The next prime is 74820197. The reversal of 74820194 is 49102847.

It is a super-2 number, since 2×74820194² = 11196122860395272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74820197) 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 7 ways as a sum of consecutive naturals, for example, 118259 + ... + 118889.

It is an arithmetic number, because the mean of its divisors is an integer number (7107156).

Almost surely, 2^74820194 is an apocalyptic number.

74820194 is a deficient number, since it is larger than the sum of its proper divisors (38894302).

74820194 is a wasteful number, since it uses less digits than its factorization.

74820194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 74820194 is about 8649.8667041753. The cubic root of 74820194 is about 421.3790535217.

The spelling of 74820194 in words is "seventy-four million, eight hundred twenty thousand, one hundred ninety-four".