73429331 has 8 divisors (see below), whose sum is σ = 74103120. Its totient is φ = 72758752.

The previous prime is 73429309. The next prime is 73429339. The reversal of 73429331 is 13392437.

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 73429331 - 2¹⁴ = 73412947 is a prime.

It is a super-2 number, since 2×73429331² = 10783733302215122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73429339) 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, 71981 + ... + 72993.

It is an arithmetic number, because the mean of its divisors is an integer number (9262890).

Almost surely, 2^73429331 is an apocalyptic number.

73429331 is a deficient number, since it is larger than the sum of its proper divisors (673789).

73429331 is a wasteful number, since it uses less digits than its factorization.

73429331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605.

The product of its digits is 13608, while the sum is 32.

The square root of 73429331 is about 8569.0916087996. The cubic root of 73429331 is about 418.7516427945.

The spelling of 73429331 in words is "seventy-three million, four hundred twenty-nine thousand, three hundred thirty-one".