72250757277650 has 48 divisors (see below), whose sum is σ = 153595042788096. Its totient is φ = 24769982421120.

The previous prime is 72250757277623. The next prime is 72250757277661. The reversal of 72250757277650 is 5677275705227.

It is a happy number.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2012234 + ... + 12188133.

It is an arithmetic number, because the mean of its divisors is an integer number (3199896724752).

Almost surely, 2^{72250757277650} is an apocalyptic number.

72250757277650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72250757277650 is an abundant number, since it is smaller than the sum of its proper divisors (81344285510446).

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

72250757277650 is a wasteful number, since it uses less digits than its factorization.

72250757277650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214923 (or 14214918 counting only the distinct ones).

The product of its (nonzero) digits is 100842000, while the sum is 62.

The spelling of 72250757277650 in words is "seventy-two trillion, two hundred fifty billion, seven hundred fifty-seven million, two hundred seventy-seven thousand, six hundred fifty".