72169373950 has 12 divisors (see below), whose sum is σ = 134235035640. Its totient is φ = 28867749560.

The previous prime is 72169373921. The next prime is 72169373959. The reversal of 72169373950 is 5937396127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72169373959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 721693690 + ... + 721693789.

It is an arithmetic number, because the mean of its divisors is an integer number (11186252970).

Almost surely, 2^72169373950 is an apocalyptic number.

72169373950 is a deficient number, since it is larger than the sum of its proper divisors (62065661690).

72169373950 is a wasteful number, since it uses less digits than its factorization.

72169373950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443387491 (or 1443387486 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 52.

The spelling of 72169373950 in words is "seventy-two billion, one hundred sixty-nine million, three hundred seventy-three thousand, nine hundred fifty".