73400122 has 8 divisors (see below), whose sum is σ = 110139156. Its totient is φ = 36687072.

The previous prime is 73400111. The next prime is 73400123. The reversal of 73400122 is 22100437.

It can be written as a sum of positive squares in 2 ways, for example, as 73256481 + 143641 = 8559^2 + 379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×73400122² = 10775155819229768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73400122.

It is not an unprimeable number, because it can be changed into a prime (73400123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3888 + ... + 12724.

Almost surely, 2^73400122 is an apocalyptic number.

73400122 is a deficient number, since it is larger than the sum of its proper divisors (36739034).

73400122 is a wasteful number, since it uses less digits than its factorization.

73400122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12992.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 73400122 is about 8567.3871162683. The cubic root of 73400122 is about 418.6961112209.

Adding to 73400122 its reverse (22100437), we get a palindrome (95500559).

The spelling of 73400122 in words is "seventy-three million, four hundred thousand, one hundred twenty-two".