73944533 has 4 divisors (see below), whose sum is σ = 79632588. Its totient is φ = 68256480.

The previous prime is 73944527. The next prime is 73944539. The reversal of 73944533 is 33544937.

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

It is an interprime number because it is at equal distance from previous prime (73944527) and next prime (73944539).

It can be written as a sum of positive squares in 2 ways, for example, as 4355569 + 69588964 = 2087^2 + 8342^2 .

It is a cyclic number.

It is not a de Polignac number, because 73944533 - 2⁶ = 73944469 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 (73944539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2844008 + ... + 2844033.

It is an arithmetic number, because the mean of its divisors is an integer number (19908147).

Almost surely, 2^73944533 is an apocalyptic number.

It is an amenable number.

73944533 is a deficient number, since it is larger than the sum of its proper divisors (5688055).

73944533 is a wasteful number, since it uses less digits than its factorization.

73944533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688054.

The product of its digits is 136080, while the sum is 38.

The square root of 73944533 is about 8599.1007087951. The cubic root of 73944533 is about 419.7287231579.

The spelling of 73944533 in words is "seventy-three million, nine hundred forty-four thousand, five hundred thirty-three".