3731279737 has 4 divisors (see below), whose sum is σ = 3740585076. Its totient is φ = 3721974400.

The previous prime is 3731279707. The next prime is 3731279749. The reversal of 3731279737 is 7379721373.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3319027321 + 412252416 = 57611^2 + 20304^2 .

It is a cyclic number.

It is not a de Polignac number, because 3731279737 - 2¹⁹ = 3730755449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3731279707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4652068 + ... + 4652869.

It is an arithmetic number, because the mean of its divisors is an integer number (935146269).

Almost surely, 2^3731279737 is an apocalyptic number.

It is an amenable number.

3731279737 is a deficient number, since it is larger than the sum of its proper divisors (9305339).

3731279737 is an equidigital number, since it uses as much as digits as its factorization.

3731279737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9305338.

The product of its digits is 1166886, while the sum is 49.

The square root of 3731279737 is about 61084.2020247461. The cubic root of 3731279737 is about 1551.0266853185.

The spelling of 3731279737 in words is "three billion, seven hundred thirty-one million, two hundred seventy-nine thousand, seven hundred thirty-seven".