73454272 has 56 divisors (see below), whose sum is σ = 153619200. Its totient is φ = 34780416.

The previous prime is 73454267. The next prime is 73454321. The reversal of 73454272 is 27245437.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204429 + ... + 204787.

It is an arithmetic number, because the mean of its divisors is an integer number (2743200).

Almost surely, 2^73454272 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 73454272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76809600).

73454272 is an abundant number, since it is smaller than the sum of its proper divisors (80164928).

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

73454272 is a wasteful number, since it uses less digits than its factorization.

73454272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 523 counting only the distinct ones).

The product of its digits is 47040, while the sum is 34.

The square root of 73454272 is about 8570.5467736895. The cubic root of 73454272 is about 418.7990484761.

The spelling of 73454272 in words is "seventy-three million, four hundred fifty-four thousand, two hundred seventy-two".