72065158 has 8 divisors (see below), whose sum is σ = 117924840. Its totient is φ = 32756880.

The previous prime is 72065153. The next prime is 72065177. The reversal of 72065158 is 85156027.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72065153) 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, 1637823 + ... + 1637866.

It is an arithmetic number, because the mean of its divisors is an integer number (14740605).

Almost surely, 2^72065158 is an apocalyptic number.

72065158 is a deficient number, since it is larger than the sum of its proper divisors (45859682).

72065158 is a wasteful number, since it uses less digits than its factorization.

72065158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275702.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 72065158 is about 8489.1199779482. The cubic root of 72065158 is about 416.1422213117.

The spelling of 72065158 in words is "seventy-two million, sixty-five thousand, one hundred fifty-eight".