72266158 has 16 divisors (see below), whose sum is σ = 114840720. Its totient is φ = 34010496.

The previous prime is 72266153. The next prime is 72266171. The reversal of 72266158 is 85166227.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72266153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91 + ... + 12022.

It is an arithmetic number, because the mean of its divisors is an integer number (7177545).

Almost surely, 2^72266158 is an apocalyptic number.

72266158 is a deficient number, since it is larger than the sum of its proper divisors (42574562).

72266158 is a wasteful number, since it uses less digits than its factorization.

72266158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291.

The product of its digits is 40320, while the sum is 37.

The square root of 72266158 is about 8500.9504174533. The cubic root of 72266158 is about 416.5287554960.

The spelling of 72266158 in words is "seventy-two million, two hundred sixty-six thousand, one hundred fifty-eight".