3745731 has 16 divisors (see below), whose sum is σ = 5483520. Its totient is φ = 2255520.

The previous prime is 3745723. The next prime is 3745739. The reversal of 3745731 is 1375473.

It is an interprime number because it is at equal distance from previous prime (3745723) and next prime (3745739).

It is not a de Polignac number, because 3745731 - 2³ = 3745723 is a prime.

It is a super-2 number, since 2×3745731² = 28061001448722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3745739) 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, 7105 + ... + 7613.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

Almost surely, 2^3745731 is an apocalyptic number.

3745731 is a deficient number, since it is larger than the sum of its proper divisors (1737789).

3745731 is a wasteful number, since it uses less digits than its factorization.

3745731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its digits is 8820, while the sum is 30.

The square root of 3745731 is about 1935.3891081640. The cubic root of 3745731 is about 155.3026483542.

It can be divided in two parts, 374 and 5731, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 3745731 in words is "three million, seven hundred forty-five thousand, seven hundred thirty-one".