74633533 has 8 divisors (see below), whose sum is σ = 80473176. Its totient is φ = 68808000.

The previous prime is 74633479. The next prime is 74633543. The reversal of 74633533 is 33533647.

It can be written as a sum of positive squares in 4 ways, for example, as 7606564 + 67026969 = 2758^2 + 8187^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74633533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74633543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9183 + ... + 15283.

It is an arithmetic number, because the mean of its divisors is an integer number (10059147).

Almost surely, 2^74633533 is an apocalyptic number.

It is an amenable number.

74633533 is a deficient number, since it is larger than the sum of its proper divisors (5839643).

74633533 is a wasteful number, since it uses less digits than its factorization.

74633533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7055.

The product of its digits is 68040, while the sum is 34.

The square root of 74633533 is about 8639.0701467230. The cubic root of 74633533 is about 421.0283436777.

The spelling of 74633533 in words is "seventy-four million, six hundred thirty-three thousand, five hundred thirty-three".