72163126 has 8 divisors (see below), whose sum is σ = 123708240. Its totient is φ = 30927048.

The previous prime is 72163099. The next prime is 72163127. The reversal of 72163126 is 62136127.

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

It is a junction number, because it is equal to n+sod(n) for n = 72163094 and 72163103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72163127) 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, 2577241 + ... + 2577268.

It is an arithmetic number, because the mean of its divisors is an integer number (15463530).

Almost surely, 2^72163126 is an apocalyptic number.

72163126 is a deficient number, since it is larger than the sum of its proper divisors (51545114).

72163126 is a wasteful number, since it uses less digits than its factorization.

72163126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5154518.

The product of its digits is 3024, while the sum is 28.

The square root of 72163126 is about 8494.8882276343. Note that the first 3 decimals coincide. The cubic root of 72163126 is about 416.3307088883.

The spelling of 72163126 in words is "seventy-two million, one hundred sixty-three thousand, one hundred twenty-six".