3727260961 has 4 divisors (see below), whose sum is σ = 3727432852. Its totient is φ = 3727089072.

The previous prime is 3727260959. The next prime is 3727261007. The reversal of 3727260961 is 1690627273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1690627273 = 37 ⋅45692629.

It can be written as a sum of positive squares in 2 ways, for example, as 2495601936 + 1231659025 = 49956^2 + 35095^2 .

It is a cyclic number.

It is not a de Polignac number, because 3727260961 - 2¹ = 3727260959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3727260461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47766 + ... + 98671.

It is an arithmetic number, because the mean of its divisors is an integer number (931858213).

Almost surely, 2^3727260961 is an apocalyptic number.

It is an amenable number.

3727260961 is a deficient number, since it is larger than the sum of its proper divisors (171891).

3727260961 is a wasteful number, since it uses less digits than its factorization.

3727260961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171890.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 3727260961 is about 61051.2977830938. The cubic root of 3727260961 is about 1550.4696406911.

The spelling of 3727260961 in words is "three billion, seven hundred twenty-seven million, two hundred sixty thousand, nine hundred sixty-one".