73431433 has 8 divisors (see below), whose sum is σ = 76745088. Its totient is φ = 70127904.

The previous prime is 73431431. The next prime is 73431439. The reversal of 73431433 is 33413437.

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

It is a cyclic number.

It is not a de Polignac number, because 73431433 - 2¹ = 73431431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73431431) 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 7 ways as a sum of consecutive naturals, for example, 14941 + ... + 19237.

It is an arithmetic number, because the mean of its divisors is an integer number (9593136).

Almost surely, 2^73431433 is an apocalyptic number.

It is an amenable number.

73431433 is a deficient number, since it is larger than the sum of its proper divisors (3313655).

73431433 is a wasteful number, since it uses less digits than its factorization.

73431433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063.

The product of its digits is 9072, while the sum is 28.

The square root of 73431433 is about 8569.2142580286. The cubic root of 73431433 is about 418.7556385073.

The spelling of 73431433 in words is "seventy-three million, four hundred thirty-one thousand, four hundred thirty-three".