74740033 has 4 divisors (see below), whose sum is σ = 74887380. Its totient is φ = 74592688.

The previous prime is 74740031. The next prime is 74740069. The reversal of 74740033 is 33004747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52243984 + 22496049 = 7228^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 74740033 - 2¹ = 74740031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74739983 and 74740010.

It is not an unprimeable number, because it can be changed into a prime (74740031) 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, 72910 + ... + 73927.

It is an arithmetic number, because the mean of its divisors is an integer number (18721845).

Almost surely, 2^74740033 is an apocalyptic number.

It is an amenable number.

74740033 is a deficient number, since it is larger than the sum of its proper divisors (147347).

74740033 is a wasteful number, since it uses less digits than its factorization.

74740033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147346.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 74740033 is about 8645.2318071871. The cubic root of 74740033 is about 421.2285137864.

The spelling of 74740033 in words is "seventy-four million, seven hundred forty thousand, thirty-three".