72066150 has 144 divisors (see below), whose sum is σ = 212319744. Its totient is φ = 17418240.

The previous prime is 72066149. The next prime is 72066173. The reversal of 72066150 is 5166027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 567387 + ... + 567513.

Almost surely, 2^72066150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72066150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106159872).

72066150 is an abundant number, since it is smaller than the sum of its proper divisors (140253594).

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

72066150 is a wasteful number, since it uses less digits than its factorization.

72066150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 72066150 is about 8489.1784054760. The cubic root of 72066150 is about 416.1441307466.

The spelling of 72066150 in words is "seventy-two million, sixty-six thousand, one hundred fifty".