3727957249 has 3 divisors (see below), whose sum is σ = 3728018307. Its totient is φ = 3727896192.

The previous prime is 3727957127. The next prime is 3727957273. The reversal of 3727957249 is 9427597273.

It is a happy number.

The square root of 3727957249 is 61057.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9427597273 = 971 ⋅9709163.

It can be written as a sum of positive squares in only one way, i.e., 3365740225 + 362217024 = 58015^2 + 19032^2 .

It is not a de Polignac number, because 3727957249 - 2⁹ = 3727956737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3727957249.

It is not an unprimeable number, because it can be changed into a prime (3727957949) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 30529 + ... + 91585.

It is an arithmetic number, because the mean of its divisors is an integer number (1242672769).

Almost surely, 2^3727957249 is an apocalyptic number.

3727957249 is the 61057-th square number.

3727957249 is the 30529-th centered octagonal number.

It is an amenable number.

3727957249 is a deficient number, since it is larger than the sum of its proper divisors (61058).

3727957249 is an frugal number, since it uses more digits than its factorization.

3727957249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122114 (or 61057 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 55.

The cubic root of 3727957249 is about 1550.5661821996.

The spelling of 3727957249 in words is "three billion, seven hundred twenty-seven million, nine hundred fifty-seven thousand, two hundred forty-nine".