7276697780 has 48 divisors (see below), whose sum is σ = 16680807360. Its totient is φ = 2644396800.

The previous prime is 7276697737. The next prime is 7276697783. The reversal of 7276697780 is 877966727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7276697783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369011 + ... + 388229.

It is an arithmetic number, because the mean of its divisors is an integer number (347516820).

Almost surely, 2^7276697780 is an apocalyptic number.

It is an amenable number.

7276697780 is an abundant number, since it is smaller than the sum of its proper divisors (9404109580).

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

7276697780 is a wasteful number, since it uses less digits than its factorization.

7276697780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20960 (or 20958 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 59.

The square root of 7276697780 is about 85303.5625281852. The cubic root of 7276697780 is about 1937.8111299449.

The spelling of 7276697780 in words is "seven billion, two hundred seventy-six million, six hundred ninety-seven thousand, seven hundred eighty".