7272763640 has 16 divisors (see below), whose sum is σ = 16363718280. Its totient is φ = 2909105440.

The previous prime is 7272763607. The next prime is 7272763643. The reversal of 7272763640 is 463672727.

It is a junction number, because it is equal to n+sod(n) for n = 7272763591 and 7272763600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7272763643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90909506 + ... + 90909585.

Almost surely, 2^7272763640 is an apocalyptic number.

It is an amenable number.

7272763640 is an abundant number, since it is smaller than the sum of its proper divisors (9090954640).

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

7272763640 is a wasteful number, since it uses less digits than its factorization.

7272763640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181819102 (or 181819098 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 44.

The square root of 7272763640 is about 85280.4997640140. The cubic root of 7272763640 is about 1937.4618417181.

The spelling of 7272763640 in words is "seven billion, two hundred seventy-two million, seven hundred sixty-three thousand, six hundred forty".