7023457782 has 64 divisors (see below), whose sum is σ = 17046086400. Its totient is φ = 2125880640.

The previous prime is 7023457781. The next prime is 7023457801. The reversal of 7023457782 is 2877543207.

7023457782 is a `hidden beast` number, since 70 + 2 + 3 + 4 + 577 + 8 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7023457781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550269 + ... + 562887.

It is an arithmetic number, because the mean of its divisors is an integer number (266345100).

Almost surely, 2^7023457782 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7023457782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8523043200).

7023457782 is an abundant number, since it is smaller than the sum of its proper divisors (10022628618).

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

7023457782 is a wasteful number, since it uses less digits than its factorization.

7023457782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13578 (or 13572 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The square root of 7023457782 is about 83806.0724649473. The cubic root of 7023457782 is about 1915.0656156690.

The spelling of 7023457782 in words is "seven billion, twenty-three million, four hundred fifty-seven thousand, seven hundred eighty-two".