73426218 has 8 divisors (see below), whose sum is σ = 146852448. Its totient is φ = 24475404.

The previous prime is 73426211. The next prime is 73426219. The reversal of 73426218 is 81262437.

It is a sphenic number, since it is the product of 3 distinct primes.

73426218 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (73426211) 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, 6118846 + ... + 6118857.

It is an arithmetic number, because the mean of its divisors is an integer number (18356556).

Almost surely, 2^73426218 is an apocalyptic number.

73426218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73426218 is a wasteful number, since it uses less digits than its factorization.

73426218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237708.

The product of its digits is 16128, while the sum is 33.

The square root of 73426218 is about 8568.9099656841. The cubic root of 73426218 is about 418.7457251216.

The spelling of 73426218 in words is "seventy-three million, four hundred twenty-six thousand, two hundred eighteen".