72375286 has 4 divisors (see below), whose sum is σ = 108562932. Its totient is φ = 36187642.

The previous prime is 72375283. The next prime is 72375299. The reversal of 72375286 is 68257327.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72375283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18093820 + ... + 18093823.

It is an arithmetic number, because the mean of its divisors is an integer number (27140733).

Almost surely, 2^72375286 is an apocalyptic number.

72375286 is a deficient number, since it is larger than the sum of its proper divisors (36187646).

72375286 is a wasteful number, since it uses less digits than its factorization.

72375286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36187645.

The product of its digits is 141120, while the sum is 40.

The square root of 72375286 is about 8507.3665725652. The cubic root of 72375286 is about 416.7383145769.

The spelling of 72375286 in words is "seventy-two million, three hundred seventy-five thousand, two hundred eighty-six".