72109250046 has 12 divisors (see below), whose sum is σ = 156236708472. Its totient is φ = 24036416676.

The previous prime is 72109250041. The next prime is 72109250051. The reversal of 72109250046 is 64005290127.

72109250046 is a `hidden beast` number, since 7 + 2 + 109 + 2 + 500 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (72109250041) and next prime (72109250051).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72109250041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2003034706 + ... + 2003034741.

It is an arithmetic number, because the mean of its divisors is an integer number (13019725706).

Almost surely, 2^72109250046 is an apocalyptic number.

72109250046 is an abundant number, since it is smaller than the sum of its proper divisors (84127458426).

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

72109250046 is a wasteful number, since it uses less digits than its factorization.

72109250046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006069455 (or 4006069452 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 72109250046 in words is "seventy-two billion, one hundred nine million, two hundred fifty thousand, forty-six".