73818135 has 80 divisors (see below), whose sum is σ = 142702560. Its totient is φ = 36391680.

The previous prime is 73818133. The next prime is 73818167. The reversal of 73818135 is 53181837.

It is not a de Polignac number, because 73818135 - 2¹ = 73818133 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 73818135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73818133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 407745 + ... + 407925.

It is an arithmetic number, because the mean of its divisors is an integer number (1783782).

Almost surely, 2^73818135 is an apocalyptic number.

73818135 is a deficient number, since it is larger than the sum of its proper divisors (68884425).

73818135 is a wasteful number, since it uses less digits than its factorization.

73818135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 261 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 73818135 is about 8591.7480759156. The cubic root of 73818135 is about 419.4894306026.

The spelling of 73818135 in words is "seventy-three million, eight hundred eighteen thousand, one hundred thirty-five".