73212840258 has 32 divisors (see below), whose sum is σ = 154144728000. Its totient is φ = 23117979456.

The previous prime is 73212840221. The next prime is 73212840263. The reversal of 73212840258 is 85204821237.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326960 + ... + 2358212.

It is an arithmetic number, because the mean of its divisors is an integer number (4817022750).

Almost surely, 2^73212840258 is an apocalyptic number.

73212840258 is an abundant number, since it is smaller than the sum of its proper divisors (80931887742).

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

73212840258 is a wasteful number, since it uses less digits than its factorization.

73212840258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51826.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 73212840258 in words is "seventy-three billion, two hundred twelve million, eight hundred forty thousand, two hundred fifty-eight".