73455 has 16 divisors (see below), whose sum is σ = 120960. Its totient is φ = 38048.

The previous prime is 73453. The next prime is 73459. The reversal of 73455 is 55437.

It is a cyclic number.

It is not a de Polignac number, because 73455 - 2¹ = 73453 is a prime.

Its product of digits (2100) is a multiple of the sum of its prime divisors (150).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73453) 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, 844 + ... + 926.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁷³⁴⁵⁵ is an apocalyptic number.

73455 is a deficient number, since it is larger than the sum of its proper divisors (47505).

73455 is a wasteful number, since it uses less digits than its factorization.

73455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150.

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

The square root of 73455 is about 271.0258290274. The cubic root of 73455 is about 41.8800432034.

It can be divided in two parts, 73 and 455, that added together give a triangular number (528 = T₃₂).

The spelling of 73455 in words is "seventy-three thousand, four hundred fifty-five".