3729422761 has 9 divisors (see below), whose sum is σ = 3761761189. Its totient is φ = 3697361536.

The previous prime is 3729422747. The next prime is 3729422779. The reversal of 3729422761 is 1672249273.

The square root of 3729422761 is 61069.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 528126361 + 3201296400 = 22981^2 + 56580^2 .

It is not a de Polignac number, because 3729422761 - 2¹⁷ = 3729291689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3729422701) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10564761 + ... + 10565113.

Almost surely, 2^3729422761 is an apocalyptic number.

3729422761 is the 61069-th square number.

3729422761 is the 30535-th centered octagonal number.

It is an amenable number.

3729422761 is a deficient number, since it is larger than the sum of its proper divisors (32338428).

3729422761 is an frugal number, since it uses more digits than its factorization.

3729422761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 526 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The cubic root of 3729422761 is about 1550.7693386463.

Multiplying 3729422761 by its product of digits (254016), we get a square (947333052058176 = 30778776²).

The spelling of 3729422761 in words is "three billion, seven hundred twenty-nine million, four hundred twenty-two thousand, seven hundred sixty-one".