73463531 has 4 divisors (see below), whose sum is σ = 74042112. Its totient is φ = 72884952.

The previous prime is 73463503. The next prime is 73463543. The reversal of 73463531 is 13536437.

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

It is a cyclic number.

It is not a de Polignac number, because 73463531 - 2¹⁰ = 73462507 is a prime.

It is a super-2 number, since 2×73463531² = 10793780773975922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73463501) 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, 289100 + ... + 289353.

It is an arithmetic number, because the mean of its divisors is an integer number (18510528).

Almost surely, 2^73463531 is an apocalyptic number.

73463531 is a deficient number, since it is larger than the sum of its proper divisors (578581).

73463531 is a wasteful number, since it uses less digits than its factorization.

73463531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578580.

The product of its digits is 22680, while the sum is 32.

The square root of 73463531 is about 8571.0869205720. The cubic root of 73463531 is about 418.8166444460.

Adding to 73463531 its reverse (13536437), we get a palindrome (86999968).

The spelling of 73463531 in words is "seventy-three million, four hundred sixty-three thousand, five hundred thirty-one".