73387433 has 4 divisors (see below), whose sum is σ = 83871360. Its totient is φ = 62903508.

The previous prime is 73387421. The next prime is 73387439. The reversal of 73387433 is 33478337.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73387433 - 2¹⁴ = 73371049 is a prime.

It is a super-3 number, since 3×73387433³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73387439) 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, 5241953 + ... + 5241966.

It is an arithmetic number, because the mean of its divisors is an integer number (20967840).

Almost surely, 2^73387433 is an apocalyptic number.

It is an amenable number.

73387433 is a deficient number, since it is larger than the sum of its proper divisors (10483927).

73387433 is a wasteful number, since it uses less digits than its factorization.

73387433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483926.

The product of its digits is 127008, while the sum is 38.

The square root of 73387433 is about 8566.6465434264. The cubic root of 73387433 is about 418.6719825546.

The spelling of 73387433 in words is "seventy-three million, three hundred eighty-seven thousand, four hundred thirty-three".