73117030 has 16 divisors (see below), whose sum is σ = 150412320. Its totient is φ = 25068672.

The previous prime is 73117027. The next prime is 73117039. The reversal of 73117030 is 3071137.

It is a super-2 number, since 2×73117030² = 10692200152041800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73116992 and 73117010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73117039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522195 + ... + 522334.

It is an arithmetic number, because the mean of its divisors is an integer number (9400770).

Almost surely, 2^73117030 is an apocalyptic number.

73117030 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73117030 is an abundant number, since it is smaller than the sum of its proper divisors (77295290).

73117030 is a wasteful number, since it uses less digits than its factorization.

73117030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044543.

The product of its (nonzero) digits is 441, while the sum is 22.

The square root of 73117030 is about 8550.8496653841. The cubic root of 73117030 is about 418.1571374132.

Adding to 73117030 its reverse (3071137), we get a palindrome (76188167).

It can be divided in two parts, 7311 and 7030, that added together give a palindrome (14341).

The spelling of 73117030 in words is "seventy-three million, one hundred seventeen thousand, thirty".