7266220737 has 16 divisors (see below), whose sum is σ = 9732510720. Its totient is φ = 4822070400.

The previous prime is 7266220649. The next prime is 7266220739. The reversal of 7266220737 is 7370226627.

It is not a de Polignac number, because 7266220737 - 2¹⁴ = 7266204353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7266220739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184037 + ... + 1190157.

It is an arithmetic number, because the mean of its divisors is an integer number (608281920).

Almost surely, 2^7266220737 is an apocalyptic number.

It is an amenable number.

7266220737 is a deficient number, since it is larger than the sum of its proper divisors (2466289983).

7266220737 is a wasteful number, since it uses less digits than its factorization.

7266220737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864.

The product of its (nonzero) digits is 296352, while the sum is 42.

The square root of 7266220737 is about 85242.1300590266. The cubic root of 7266220737 is about 1936.8806583280.

The spelling of 7266220737 in words is "seven billion, two hundred sixty-six million, two hundred twenty thousand, seven hundred thirty-seven".