73888390 has 8 divisors (see below), whose sum is σ = 132999120. Its totient is φ = 29555352.

The previous prime is 73888387. The next prime is 73888391. The reversal of 73888390 is 9388837.

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

It is a self number, because there is not a number n which added to its sum of digits gives 73888390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73888391) by changing a digit.

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, 3694410 + ... + 3694429.

It is an arithmetic number, because the mean of its divisors is an integer number (16624890).

Almost surely, 2^73888390 is an apocalyptic number.

73888390 is a deficient number, since it is larger than the sum of its proper divisors (59110730).

73888390 is a wasteful number, since it uses less digits than its factorization.

73888390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388846.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 73888390 is about 8595.8356196475. The cubic root of 73888390 is about 419.6224687570.

The spelling of 73888390 in words is "seventy-three million, eight hundred eighty-eight thousand, three hundred ninety".