73227144 has 32 divisors (see below), whose sum is σ = 188017920. Its totient is φ = 23749056.

The previous prime is 73227137. The next prime is 73227149. The reversal of 73227144 is 44172237.

73227144 = T₁₉₇₁ + T₁₉₇₂ + ... + T₂₀₀₇.

It is not an unprimeable number, because it can be changed into a prime (73227149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 40344 + ... + 42119.

It is an arithmetic number, because the mean of its divisors is an integer number (5875560).

Almost surely, 2^73227144 is an apocalyptic number.

73227144 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

73227144 is an abundant number, since it is smaller than the sum of its proper divisors (114790776).

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

73227144 is a wasteful number, since it uses less digits than its factorization.

73227144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82509 (or 82505 counting only the distinct ones).

The product of its digits is 9408, while the sum is 30.

The square root of 73227144 is about 8557.2860183589. The cubic root of 73227144 is about 418.3669465362.

The spelling of 73227144 in words is "seventy-three million, two hundred twenty-seven thousand, one hundred forty-four".