73218050 has 24 divisors (see below), whose sum is σ = 136598400. Its totient is φ = 29198480.

The previous prime is 73218029. The next prime is 73218059. The reversal of 73218050 is 5081237.

It is not an unprimeable number, because it can be changed into a prime (73218059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15911 + ... + 19989.

It is an arithmetic number, because the mean of its divisors is an integer number (5691600).

Almost surely, 2^73218050 is an apocalyptic number.

73218050 is a deficient number, since it is larger than the sum of its proper divisors (63380350).

73218050 is a wasteful number, since it uses less digits than its factorization.

73218050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450 (or 4445 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 73218050 is about 8556.7546418020. The cubic root of 73218050 is about 418.3496269727.

Adding to 73218050 its reverse (5081237), we get a palindrome (78299287).

The spelling of 73218050 in words is "seventy-three million, two hundred eighteen thousand, fifty".