7272878840137 has 8 divisors (see below), whose sum is σ = 7700741140896. Its totient is φ = 6845021639232.

The previous prime is 7272878840119. The next prime is 7272878840147. The reversal of 7272878840137 is 7310488782727.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7272878840137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7272878840147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884898 + ... + 4254244.

It is an arithmetic number, because the mean of its divisors is an integer number (962592642612).

Almost surely, 2^{7272878840137} is an apocalyptic number.

It is an amenable number.

7272878840137 is a deficient number, since it is larger than the sum of its proper divisors (427862300759).

7272878840137 is a wasteful number, since it uses less digits than its factorization.

7272878840137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549927.

The product of its (nonzero) digits is 59006976, while the sum is 64.

The spelling of 7272878840137 in words is "seven trillion, two hundred seventy-two billion, eight hundred seventy-eight million, eight hundred forty thousand, one hundred thirty-seven".