3727131 has 16 divisors (see below), whose sum is σ = 5318784. Its totient is φ = 2313344.

The previous prime is 3727123. The next prime is 3727153. The reversal of 3727131 is 1317273.

It is a cyclic number.

It is not a de Polignac number, because 3727131 - 2³ = 3727123 is a prime.

It is a super-2 number, since 2×3727131² = 27783010982322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3726131) 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, 5116 + ... + 5798.

It is an arithmetic number, because the mean of its divisors is an integer number (332424).

Almost surely, 2^3727131 is an apocalyptic number.

3727131 is a deficient number, since it is larger than the sum of its proper divisors (1591653).

3727131 is a wasteful number, since it uses less digits than its factorization.

3727131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its digits is 882, while the sum is 24.

The square root of 3727131 is about 1930.5778927565. The cubic root of 3727131 is about 155.0451620047.

It can be divided in two parts, 372 and 7131, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 3727131 in words is "three million, seven hundred twenty-seven thousand, one hundred thirty-one".