73168390 has 16 divisors (see below), whose sum is σ = 131894640. Its totient is φ = 29224800.

The previous prime is 73168379. The next prime is 73168393. The reversal of 73168390 is 9386137.

It is a super-2 number, since 2×73168390² = 10707226590384200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73168393) 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, 2440 + ... + 12340.

It is an arithmetic number, because the mean of its divisors is an integer number (8243415).

Almost surely, 2^73168390 is an apocalyptic number.

73168390 is a deficient number, since it is larger than the sum of its proper divisors (58726250).

73168390 is a wasteful number, since it uses less digits than its factorization.

73168390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 73168390 is about 8553.8523485036. The cubic root of 73168390 is about 418.2550239744.

The spelling of 73168390 in words is "seventy-three million, one hundred sixty-eight thousand, three hundred ninety".