73500055 has 4 divisors (see below), whose sum is σ = 88200072. Its totient is φ = 58800040.

The previous prime is 73500041. The next prime is 73500067. The reversal of 73500055 is 55000537.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55000537 = 37 ⋅1486501.

It is not a de Polignac number, because 73500055 - 2¹⁷ = 73368983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7350001 + ... + 7350010.

It is an arithmetic number, because the mean of its divisors is an integer number (22050018).

Almost surely, 2^73500055 is an apocalyptic number.

73500055 is a deficient number, since it is larger than the sum of its proper divisors (14700017).

73500055 is a wasteful number, since it uses less digits than its factorization.

73500055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14700016.

The product of its (nonzero) digits is 2625, while the sum is 25.

The square root of 73500055 is about 8573.2173074057. The cubic root of 73500055 is about 418.8860408960.

The spelling of 73500055 in words is "seventy-three million, five hundred thousand, fifty-five".