72421416377204 has 12 divisors (see below), whose sum is σ = 128473608505284. Its totient is φ = 35714671089984.

The previous prime is 72421416377179. The next prime is 72421416377213. The reversal of 72421416377204 is 40277361412427.

It can be written as a sum of positive squares in 2 ways, for example, as 60523732090000 + 11897684287204 = 7779700^2 + 3449302^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124009274327 + ... + 124009274910.

It is an arithmetic number, because the mean of its divisors is an integer number (10706134042107).

Almost surely, 2^{72421416377204} is an apocalyptic number.

It is an amenable number.

72421416377204 is a deficient number, since it is larger than the sum of its proper divisors (56052192128080).

72421416377204 is a wasteful number, since it uses less digits than its factorization.

72421416377204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248018549314 (or 248018549312 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 50.

The spelling of 72421416377204 in words is "seventy-two trillion, four hundred twenty-one billion, four hundred sixteen million, three hundred seventy-seven thousand, two hundred four".