4020767742 has 16 divisors (see below), whose sum is σ = 8070156432. Its totient is φ = 1335485760.

The previous prime is 4020767741. The next prime is 4020767749. The reversal of 4020767742 is 2477670204.

It is a self number, because there is not a number n which added to its sum of digits gives 4020767742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020767741) 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, 1190713 + ... + 1194084.

It is an arithmetic number, because the mean of its divisors is an integer number (504384777).

Almost surely, 2^4020767742 is an apocalyptic number.

4020767742 is an abundant number, since it is smaller than the sum of its proper divisors (4049388690).

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

4020767742 is a wasteful number, since it uses less digits than its factorization.

4020767742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385083.

The product of its (nonzero) digits is 131712, while the sum is 39.

The square root of 4020767742 is about 63409.5240638187. The cubic root of 4020767742 is about 1590.1435391161.

The spelling of 4020767742 in words is "four billion, twenty million, seven hundred sixty-seven thousand, seven hundred forty-two".