73253481 has 32 divisors (see below), whose sum is σ = 114758400. Its totient is φ = 41545728.

The previous prime is 73253471. The next prime is 73253483. The reversal of 73253481 is 18435237.

It is not a de Polignac number, because 73253481 - 2¹¹ = 73251433 is a prime.

It is a super-2 number, since 2×73253481² = 10732144957234722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73253483) 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 31 ways as a sum of consecutive naturals, for example, 264315 + ... + 264591.

It is an arithmetic number, because the mean of its divisors is an integer number (3586200).

Almost surely, 2^73253481 is an apocalyptic number.

It is an amenable number.

73253481 is a deficient number, since it is larger than the sum of its proper divisors (41504919).

73253481 is a wasteful number, since it uses less digits than its factorization.

73253481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 544 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 73253481 is about 8558.8247440872. The cubic root of 73253481 is about 418.4170973817.

The spelling of 73253481 in words is "seventy-three million, two hundred fifty-three thousand, four hundred eighty-one".