72066174 has 8 divisors (see below), whose sum is σ = 144132360. Its totient is φ = 24022056.

The previous prime is 72066173. The next prime is 72066187. The reversal of 72066174 is 47166027.

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

72066174 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72066173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6005509 + ... + 6005520.

It is an arithmetic number, because the mean of its divisors is an integer number (18016545).

Almost surely, 2^72066174 is an apocalyptic number.

72066174 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.

72066174 is a wasteful number, since it uses less digits than its factorization.

72066174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12011034.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72066174 is about 8489.1798190402. The cubic root of 72066174 is about 416.1441769424.

The spelling of 72066174 in words is "seventy-two million, sixty-six thousand, one hundred seventy-four".