72046166 has 16 divisors (see below), whose sum is σ = 113810400. Its totient is φ = 34138368.

The previous prime is 72046147. The next prime is 72046213. The reversal of 72046166 is 66164027.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2171 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (7113150).

Almost surely, 2^72046166 is an apocalyptic number.

72046166 is a deficient number, since it is larger than the sum of its proper divisors (41764234).

72046166 is a wasteful number, since it uses less digits than its factorization.

72046166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14503.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 72046166 is about 8488.0012959471. The cubic root of 72046166 is about 416.1056614924.

The spelling of 72046166 in words is "seventy-two million, forty-six thousand, one hundred sixty-six".