72064886 has 8 divisors (see below), whose sum is σ = 108242400. Its totient is φ = 35984088.

The previous prime is 72064871. The next prime is 72064931. The reversal of 72064886 is 68846027.

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

It is a Curzon 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, 22286 + ... + 25313.

It is an arithmetic number, because the mean of its divisors is an integer number (13530300).

Almost surely, 2^72064886 is an apocalyptic number.

72064886 is a deficient number, since it is larger than the sum of its proper divisors (36177514).

72064886 is a wasteful number, since it uses less digits than its factorization.

72064886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48358.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 72064886 is about 8489.1039574268. The cubic root of 72064886 is about 416.1416977539.

The spelling of 72064886 in words is "seventy-two million, sixty-four thousand, eight hundred eighty-six".