7272722474 has 16 divisors (see below), whose sum is σ = 10943496960. Its totient is φ = 3624905520.

The previous prime is 7272722449. The next prime is 7272722477. The reversal of 7272722474 is 4742272727.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7272722477) 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 7 ways as a sum of consecutive naturals, for example, 1246484 + ... + 1252304.

It is an arithmetic number, because the mean of its divisors is an integer number (683968560).

Almost surely, 2^7272722474 is an apocalyptic number.

7272722474 is a deficient number, since it is larger than the sum of its proper divisors (3670774486).

7272722474 is a wasteful number, since it uses less digits than its factorization.

7272722474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7685.

The product of its digits is 614656, while the sum is 44.

The square root of 7272722474 is about 85280.2584072070. The cubic root of 7272722474 is about 1937.4581861750.

The spelling of 7272722474 in words is "seven billion, two hundred seventy-two million, seven hundred twenty-two thousand, four hundred seventy-four".