7266769920 has 264 divisors, whose sum is σ = 25348574160. Its totient is φ = 1924792320.

The previous prime is 7266769903. The next prime is 7266769933. The reversal of 7266769920 is 299676627.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8247880 + ... + 8248760.

Almost surely, 2^7266769920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7266769920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12674287080).

7266769920 is an abundant number, since it is smaller than the sum of its proper divisors (18081804240).

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

7266769920 is a wasteful number, since it uses less digits than its factorization.

7266769920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The square root of 7266769920 is about 85245.3513102034. The cubic root of 7266769920 is about 1936.9294537597.

The spelling of 7266769920 in words is "seven billion, two hundred sixty-six million, seven hundred sixty-nine thousand, nine hundred twenty".