73197894 has 64 divisors (see below), whose sum is σ = 186458112. Its totient is φ = 18602400.

The previous prime is 73197863. The next prime is 73197919. The reversal of 73197894 is 49879137.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20029 + ... + 23399.

It is an arithmetic number, because the mean of its divisors is an integer number (2913408).

Almost surely, 2^73197894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73197894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93229056).

73197894 is an abundant number, since it is smaller than the sum of its proper divisors (113260218).

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

73197894 is a wasteful number, since it uses less digits than its factorization.

73197894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441.

The product of its digits is 381024, while the sum is 48.

The square root of 73197894 is about 8555.5767777515. The cubic root of 73197894 is about 418.3112346684.

The spelling of 73197894 in words is "seventy-three million, one hundred ninety-seven thousand, eight hundred ninety-four".