74352533 has 4 divisors (see below), whose sum is σ = 74394348. Its totient is φ = 74310720.

The previous prime is 74352527. The next prime is 74352581. The reversal of 74352533 is 33525347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33525347 = 107 ⋅313321.

It can be written as a sum of positive squares in 2 ways, for example, as 19562929 + 54789604 = 4423^2 + 7402^2 .

It is a cyclic number.

It is not a de Polignac number, because 74352533 - 2⁴ = 74352517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74352533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74352133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18116 + ... + 21837.

It is an arithmetic number, because the mean of its divisors is an integer number (18598587).

Almost surely, 2^74352533 is an apocalyptic number.

It is an amenable number.

74352533 is a deficient number, since it is larger than the sum of its proper divisors (41815).

74352533 is a wasteful number, since it uses less digits than its factorization.

74352533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41814.

The product of its digits is 37800, while the sum is 32.

The square root of 74352533 is about 8622.7914853602. The cubic root of 74352533 is about 420.4992796344.

The spelling of 74352533 in words is "seventy-four million, three hundred fifty-two thousand, five hundred thirty-three".