72451086 has 8 divisors (see below), whose sum is σ = 144902184. Its totient is φ = 24150360.

The previous prime is 72451063. The next prime is 72451097. The reversal of 72451086 is 68015427.

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

72451086 is an admirable number.

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, 6037585 + ... + 6037596.

It is an arithmetic number, because the mean of its divisors is an integer number (18112773).

Almost surely, 2^72451086 is an apocalyptic number.

72451086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72451086 is a wasteful number, since it uses less digits than its factorization.

72451086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12075186.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 72451086 is about 8511.8203693452. The cubic root of 72451086 is about 416.8837497780.

The spelling of 72451086 in words is "seventy-two million, four hundred fifty-one thousand, eighty-six".