74333145 has 16 divisors (see below), whose sum is σ = 119063232. Its totient is φ = 39600960.

The previous prime is 74333141. The next prime is 74333173. The reversal of 74333145 is 54133347.

It is not a de Polignac number, because 74333145 - 2² = 74333141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (74333141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15315 + ... + 19575.

It is an arithmetic number, because the mean of its divisors is an integer number (7441452).

Almost surely, 2^74333145 is an apocalyptic number.

It is an amenable number.

74333145 is a deficient number, since it is larger than the sum of its proper divisors (44730087).

74333145 is a wasteful number, since it uses less digits than its factorization.

74333145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432.

The product of its digits is 15120, while the sum is 30.

The square root of 74333145 is about 8621.6671821638. The cubic root of 74333145 is about 420.4627269736.

The spelling of 74333145 in words is "seventy-four million, three hundred thirty-three thousand, one hundred forty-five".