73554 has 32 divisors (see below), whose sum is σ = 169344. Its totient is φ = 21120.

The previous prime is 73553. The next prime is 73561. The reversal of 73554 is 45537.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1774 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (5292).

2⁷³⁵⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672).

73554 is an abundant number, since it is smaller than the sum of its proper divisors (95790).

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

73554 is a wasteful number, since it uses less digits than its factorization.

73554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82.

The product of its digits is 2100, while the sum is 24.

The square root of 73554 is about 271.2084069493. The cubic root of 73554 is about 41.8988495611.

The spelling of 73554 in words is "seventy-three thousand, five hundred fifty-four".