73946172 has 48 divisors (see below), whose sum is σ = 180311040. Its totient is φ = 23556288.

The previous prime is 73946123. The next prime is 73946179. The reversal of 73946172 is 27164937.

It is a self number, because there is not a number n which added to its sum of digits gives 73946172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73946179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34813 + ... + 36875.

It is an arithmetic number, because the mean of its divisors is an integer number (3756480).

Almost surely, 2^73946172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73946172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90155520).

73946172 is an abundant number, since it is smaller than the sum of its proper divisors (106364868).

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

73946172 is a wasteful number, since it uses less digits than its factorization.

73946172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2200 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 73946172 is about 8599.1960089301. The cubic root of 73946172 is about 419.7318242674.

The spelling of 73946172 in words is "seventy-three million, nine hundred forty-six thousand, one hundred seventy-two".