3745931 has 4 divisors (see below), whose sum is σ = 4281072. Its totient is φ = 3210792.

The previous prime is 3745913. The next prime is 3745939. The reversal of 3745931 is 1395473.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1395473 = 283 ⋅4931.

It is a cyclic number.

It is not a de Polignac number, because 3745931 - 2⁶ = 3745867 is a prime.

It is a super-2 number, since 2×3745931² = 28063998113522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745939) 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, 267560 + ... + 267573.

It is an arithmetic number, because the mean of its divisors is an integer number (1070268).

Almost surely, 2^3745931 is an apocalyptic number.

3745931 is a deficient number, since it is larger than the sum of its proper divisors (535141).

3745931 is an equidigital number, since it uses as much as digits as its factorization.

3745931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535140.

The product of its digits is 11340, while the sum is 32.

The square root of 3745931 is about 1935.4407766708. The cubic root of 3745931 is about 155.3054123876.

The spelling of 3745931 in words is "three million, seven hundred forty-five thousand, nine hundred thirty-one".