74434146 has 8 divisors (see below), whose sum is σ = 148868304. Its totient is φ = 24811380.

The previous prime is 74434123. The next prime is 74434169. The reversal of 74434146 is 64143447.

It is an interprime number because it is at equal distance from previous prime (74434123) and next prime (74434169).

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

74434146 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6202840 + ... + 6202851.

It is an arithmetic number, because the mean of its divisors is an integer number (18608538).

Almost surely, 2^74434146 is an apocalyptic number.

74434146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74434146 is a wasteful number, since it uses less digits than its factorization.

74434146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405696.

The product of its digits is 32256, while the sum is 33.

The square root of 74434146 is about 8627.5225876262. The cubic root of 74434146 is about 420.6530769454.

The spelling of 74434146 in words is "seventy-four million, four hundred thirty-four thousand, one hundred forty-six".