74106146 has 8 divisors (see below), whose sum is σ = 111539484. Its totient is φ = 36926320.

The previous prime is 74106143. The next prime is 74106173. The reversal of 74106146 is 64160147.

It can be written as a sum of positive squares in 2 ways, for example, as 67881121 + 6225025 = 8239^2 + 2495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (74106143) 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 3 ways as a sum of consecutive naturals, for example, 62645 + ... + 63816.

Almost surely, 2^74106146 is an apocalyptic number.

74106146 is a deficient number, since it is larger than the sum of its proper divisors (37433338).

74106146 is a wasteful number, since it uses less digits than its factorization.

74106146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126756.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 74106146 is about 8608.4926671282. The cubic root of 74106146 is about 420.0342866945.

The spelling of 74106146 in words is "seventy-four million, one hundred six thousand, one hundred forty-six".