7280520766 has 16 divisors (see below), whose sum is σ = 11083530240. Its totient is φ = 3586093560.

The previous prime is 7280520749. The next prime is 7280520769. The reversal of 7280520766 is 6670250827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7280520769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161575 + ... + 201661.

It is an arithmetic number, because the mean of its divisors is an integer number (692720640).

Almost surely, 2^7280520766 is an apocalyptic number.

7280520766 is a deficient number, since it is larger than the sum of its proper divisors (3803009474).

7280520766 is a wasteful number, since it uses less digits than its factorization.

7280520766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41439.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 7280520766 is about 85325.9677120629. The cubic root of 7280520766 is about 1938.1504288989.

The spelling of 7280520766 in words is "seven billion, two hundred eighty million, five hundred twenty thousand, seven hundred sixty-six".