73218467 has 4 divisors (see below), whose sum is σ = 83678256. Its totient is φ = 62758680.

The previous prime is 73218437. The next prime is 73218479. The reversal of 73218467 is 76481237.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73218467 - 2¹⁴ = 73202083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73218467.

It is not an unprimeable number, because it can be changed into a prime (73218427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5229884 + ... + 5229897.

It is an arithmetic number, because the mean of its divisors is an integer number (20919564).

Almost surely, 2^73218467 is an apocalyptic number.

73218467 is a deficient number, since it is larger than the sum of its proper divisors (10459789).

73218467 is a wasteful number, since it uses less digits than its factorization.

73218467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10459788.

The product of its digits is 56448, while the sum is 38.

The square root of 73218467 is about 8556.7790084821. The cubic root of 73218467 is about 418.3504211824.

The spelling of 73218467 in words is "seventy-three million, two hundred eighteen thousand, four hundred sixty-seven".