73106340 has 48 divisors (see below), whose sum is σ = 205910208. Its totient is φ = 19379584.

The previous prime is 73106333. The next prime is 73106347. The reversal of 73106340 is 4360137.

It is an interprime number because it is at equal distance from previous prime (73106333) and next prime (73106347).

It is a self number, because there is not a number n which added to its sum of digits gives 73106340.

It is not an unprimeable number, because it can be changed into a prime (73106347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6859 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (4289796).

Almost surely, 2^73106340 is an apocalyptic number.

It is an amenable number.

73106340 is an abundant number, since it is smaller than the sum of its proper divisors (132803868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73106340 is a wasteful number, since it uses less digits than its factorization.

73106340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228 (or 7226 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 73106340 is about 8550.2245584546. The cubic root of 73106340 is about 418.1367576755.

Adding to 73106340 its reverse (4360137), we get a palindrome (77466477).

The spelling of 73106340 in words is "seventy-three million, one hundred six thousand, three hundred forty".