7273417540 has 24 divisors (see below), whose sum is σ = 15332264640. Its totient is φ = 2898302688.

The previous prime is 7273417519. The next prime is 7273417579. The reversal of 7273417540 is 457143727.

It is a super-2 number, since 2×7273417540² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7273417493 and 7273417502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686130 + ... + 696649.

It is an arithmetic number, because the mean of its divisors is an integer number (638844360).

Almost surely, 2^7273417540 is an apocalyptic number.

It is an amenable number.

7273417540 is an abundant number, since it is smaller than the sum of its proper divisors (8058847100).

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

7273417540 is a wasteful number, since it uses less digits than its factorization.

7273417540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383051 (or 1383049 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 7273417540 is about 85284.3334968387. Note that the first 3 decimals coincide. The cubic root of 7273417540 is about 1937.5199062263.

The spelling of 7273417540 in words is "seven billion, two hundred seventy-three million, four hundred seventeen thousand, five hundred forty".