7272787939 has 8 divisors (see below), whose sum is σ = 7546313520. Its totient is φ = 7000778400.

The previous prime is 7272787931. The next prime is 7272788011. The reversal of 7272787939 is 9397872727.

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

It is a cyclic number.

It is not a de Polignac number, because 7272787939 - 2³ = 7272787931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7272787931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369232 + ... + 388429.

It is an arithmetic number, because the mean of its divisors is an integer number (943289190).

Almost surely, 2^7272787939 is an apocalyptic number.

7272787939 is a deficient number, since it is larger than the sum of its proper divisors (273525581).

7272787939 is a wasteful number, since it uses less digits than its factorization.

7272787939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758021.

The product of its digits is 18670176, while the sum is 61.

The square root of 7272787939 is about 85280.6422290545. The cubic root of 7272787939 is about 1937.4639994643.

The spelling of 7272787939 in words is "seven billion, two hundred seventy-two million, seven hundred eighty-seven thousand, nine hundred thirty-nine".