73406878 has 8 divisors (see below), whose sum is σ = 110191968. Its totient is φ = 36676224.

The previous prime is 73406849. The next prime is 73406881. The reversal of 73406878 is 87860437.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10051 + ... + 15742.

It is an arithmetic number, because the mean of its divisors is an integer number (13773996).

Almost surely, 2^73406878 is an apocalyptic number.

73406878 is a deficient number, since it is larger than the sum of its proper divisors (36785090).

73406878 is a wasteful number, since it uses less digits than its factorization.

73406878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27218.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 73406878 is about 8567.7813931029. The cubic root of 73406878 is about 418.7089569041.

The spelling of 73406878 in words is "seventy-three million, four hundred six thousand, eight hundred seventy-eight".