73494155 has 16 divisors (see below), whose sum is σ = 101221824. Its totient is φ = 50181120.

The previous prime is 73494151. The next prime is 73494167. The reversal of 73494155 is 55149437.

It is not a de Polignac number, because 73494155 - 2² = 73494151 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73494151) 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 15 ways as a sum of consecutive naturals, for example, 4079 + ... + 12791.

It is an arithmetic number, because the mean of its divisors is an integer number (6326364).

Almost surely, 2^73494155 is an apocalyptic number.

73494155 is a deficient number, since it is larger than the sum of its proper divisors (27727669).

73494155 is a wasteful number, since it uses less digits than its factorization.

73494155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966.

The product of its digits is 75600, while the sum is 38.

The square root of 73494155 is about 8572.8732056412. The cubic root of 73494155 is about 418.8748323158.

The spelling of 73494155 in words is "seventy-three million, four hundred ninety-four thousand, one hundred fifty-five".