7272254643 has 16 divisors (see below), whose sum is σ = 9932102400. Its totient is φ = 4730521824.

The previous prime is 7272254641. The next prime is 7272254657. The reversal of 7272254643 is 3464522727.

It is not a de Polignac number, because 7272254643 - 2¹ = 7272254641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7272254595 and 7272254604.

It is not an unprimeable number, because it can be changed into a prime (7272254641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98133 + ... + 155481.

It is an arithmetic number, because the mean of its divisors is an integer number (620756400).

Almost surely, 2^7272254643 is an apocalyptic number.

7272254643 is a deficient number, since it is larger than the sum of its proper divisors (2659847757).

7272254643 is a wasteful number, since it uses less digits than its factorization.

7272254643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58378.

The product of its digits is 564480, while the sum is 42.

The square root of 7272254643 is about 85277.5154598209. The cubic root of 7272254643 is about 1937.4166417859.

The spelling of 7272254643 in words is "seven billion, two hundred seventy-two million, two hundred fifty-four thousand, six hundred forty-three".