73872286 has 8 divisors (see below), whose sum is σ = 111062160. Its totient is φ = 36851568.

The previous prime is 73872269. The next prime is 73872317. The reversal of 73872286 is 68227837.

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

It is a super-2 number, since 2×73872286² = 10914229277731592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41191 + ... + 42946.

It is an arithmetic number, because the mean of its divisors is an integer number (13882770).

Almost surely, 2^73872286 is an apocalyptic number.

73872286 is a deficient number, since it is larger than the sum of its proper divisors (37189874).

73872286 is a wasteful number, since it uses less digits than its factorization.

73872286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84578.

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

The square root of 73872286 is about 8594.8988359375. The cubic root of 73872286 is about 419.5919809215.

The spelling of 73872286 in words is "seventy-three million, eight hundred seventy-two thousand, two hundred eighty-six".