73424131 has 6 divisors (see below), whose sum is σ = 80705996. Its totient is φ = 66749100.

The previous prime is 73424111. The next prime is 73424171. The reversal of 73424131 is 13142437.

It is not a de Polignac number, because 73424131 - 2²⁵ = 39869699 is a prime.

It is a super-2 number, since 2×73424131² = 10782206026210322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73424096 and 73424105.

It is not an unprimeable number, because it can be changed into a prime (73424111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303285 + ... + 303526.

Almost surely, 2^73424131 is an apocalyptic number.

73424131 is a deficient number, since it is larger than the sum of its proper divisors (7281865).

73424131 is a wasteful number, since it uses less digits than its factorization.

73424131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606833 (or 606822 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 73424131 is about 8568.7881873693. The cubic root of 73424131 is about 418.7417577349.

Adding to 73424131 its reverse (13142437), we get a palindrome (86566568).

The spelling of 73424131 in words is "seventy-three million, four hundred twenty-four thousand, one hundred thirty-one".