73218495 has 80 divisors (see below), whose sum is σ = 145203840. Its totient is φ = 31413312.

The previous prime is 73218479. The next prime is 73218511. The reversal of 73218495 is 59481237.

It is an interprime number because it is at equal distance from previous prime (73218479) and next prime (73218511).

It is not a de Polignac number, because 73218495 - 2⁴ = 73218479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 684232 + ... + 684338.

It is an arithmetic number, because the mean of its divisors is an integer number (1815048).

Almost surely, 2^73218495 is an apocalyptic number.

73218495 is a deficient number, since it is larger than the sum of its proper divisors (71985345).

73218495 is a wasteful number, since it uses less digits than its factorization.

73218495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 141 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 73218495 is about 8556.7806446116. The cubic root of 73218495 is about 418.3504745105.

The spelling of 73218495 in words is "seventy-three million, two hundred eighteen thousand, four hundred ninety-five".