7272711985 has 64 divisors (see below), whose sum is σ = 11583129600. Its totient is φ = 4246387200.

The previous prime is 7272711983. The next prime is 7272711989. The reversal of 7272711985 is 5891172727.

It is not a de Polignac number, because 7272711985 - 2¹ = 7272711983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7272711983) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 645450 + ... + 656620.

It is an arithmetic number, because the mean of its divisors is an integer number (180986400).

Almost surely, 2^7272711985 is an apocalyptic number.

It is an amenable number.

7272711985 is a deficient number, since it is larger than the sum of its proper divisors (4310417615).

7272711985 is a wasteful number, since it uses less digits than its factorization.

7272711985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11302.

The product of its digits is 493920, while the sum is 49.

The square root of 7272711985 is about 85280.1969099509. The cubic root of 7272711985 is about 1937.4572547489.

The spelling of 7272711985 in words is "seven billion, two hundred seventy-two million, seven hundred eleven thousand, nine hundred eighty-five".