73213554 has 16 divisors (see below), whose sum is σ = 152793792. Its totient is φ = 23343408.

The previous prime is 73213541. The next prime is 73213571. The reversal of 73213554 is 45531237.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265129 + ... + 265404.

It is an arithmetic number, because the mean of its divisors is an integer number (9549612).

Almost surely, 2^73213554 is an apocalyptic number.

73213554 is an abundant number, since it is smaller than the sum of its proper divisors (79580238).

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

73213554 is a wasteful number, since it uses less digits than its factorization.

73213554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530561.

The product of its digits is 12600, while the sum is 30.

The square root of 73213554 is about 8556.4919213425. The cubic root of 73213554 is about 418.3410637909.

The spelling of 73213554 in words is "seventy-three million, two hundred thirteen thousand, five hundred fifty-four".