7272787940 has 24 divisors (see below), whose sum is σ = 16661296512. Its totient is φ = 2644650080.

The previous prime is 7272787931. The next prime is 7272788011. The reversal of 7272787940 is 497872727.

It is a happy number.

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, 16528844 + ... + 16529283.

It is an arithmetic number, because the mean of its divisors is an integer number (694220688).

Almost surely, 2^7272787940 is an apocalyptic number.

It is an amenable number.

7272787940 is an abundant number, since it is smaller than the sum of its proper divisors (9388508572).

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

7272787940 is a wasteful number, since it uses less digits than its factorization.

7272787940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058147 (or 33058145 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 53.

The square root of 7272787940 is about 85280.6422349175. The cubic root of 7272787940 is about 1937.4639995531.

It can be divided in two parts, 7272787 and 940, that added together give a palindrome (7273727).

The spelling of 7272787940 in words is "seven billion, two hundred seventy-two million, seven hundred eighty-seven thousand, nine hundred forty".