73968554 has 8 divisors (see below), whose sum is σ = 121039488. Its totient is φ = 33622060.

The previous prime is 73968541. The next prime is 73968607. The reversal of 73968554 is 45586937.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 73968499 and 73968508.

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 3 ways as a sum of consecutive naturals, for example, 1681082 + ... + 1681125.

It is an arithmetic number, because the mean of its divisors is an integer number (15129936).

Almost surely, 2^73968554 is an apocalyptic number.

73968554 is a deficient number, since it is larger than the sum of its proper divisors (47070934).

73968554 is a wasteful number, since it uses less digits than its factorization.

73968554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362220.

The product of its digits is 907200, while the sum is 47.

The square root of 73968554 is about 8600.4973112024. The cubic root of 73968554 is about 419.7741680866.

The spelling of 73968554 in words is "seventy-three million, nine hundred sixty-eight thousand, five hundred fifty-four".