3774790261 has 16 divisors (see below), whose sum is σ = 4186452096. Its totient is φ = 3375000000.

The previous prime is 3774790241. The next prime is 3774790309. The reversal of 3774790261 is 1620974773.

It is a 9-Lehmer number, since φ(3774790261) divides (3774790261-1)⁹.

It is a cyclic number.

It is not a de Polignac number, because 3774790261 - 2⁹ = 3774789749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3774790241) 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, 156511 + ... + 179011.

It is an arithmetic number, because the mean of its divisors is an integer number (261653256).

Almost surely, 2^3774790261 is an apocalyptic number.

3774790261 is the 27477-th centered decagonal number.

It is an amenable number.

3774790261 is a deficient number, since it is larger than the sum of its proper divisors (411661835).

3774790261 is a wasteful number, since it uses less digits than its factorization.

3774790261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22764.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 3774790261 is about 61439.3217817384. The cubic root of 3774790261 is about 1557.0322523444.

The spelling of 3774790261 in words is "three billion, seven hundred seventy-four million, seven hundred ninety thousand, two hundred sixty-one".