73430460531 has 12 divisors (see below), whose sum is σ = 106840428552. Its totient is φ = 48596313696.

The previous prime is 73430460527. The next prime is 73430460553. The reversal of 73430460531 is 13506403437.

73430460531 is a `hidden beast` number, since 7 + 3 + 43 + 0 + 4 + 605 + 3 + 1 = 666.

It is not a de Polignac number, because 73430460531 - 2² = 73430460527 is a prime.

It is a super-2 number, since 2×73430460531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73430464531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29775921 + ... + 29778386.

It is an arithmetic number, because the mean of its divisors is an integer number (8903369046).

Almost surely, 2^73430460531 is an apocalyptic number.

73430460531 is a deficient number, since it is larger than the sum of its proper divisors (33409968021).

73430460531 is a wasteful number, since it uses less digits than its factorization.

73430460531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59554450 (or 59554447 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

Adding to 73430460531 its reverse (13506403437), we get a palindrome (86936863968).

The spelling of 73430460531 in words is "seventy-three billion, four hundred thirty million, four hundred sixty thousand, five hundred thirty-one".