3745481 has 4 divisors (see below), whose sum is σ = 3908352. Its totient is φ = 3582612.

The previous prime is 3745471. The next prime is 3745487. The reversal of 3745481 is 1845473.

3745481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3745481 - 2¹⁴ = 3729097 is a prime.

It is a super-2 number, since 2×3745481² = 28057255842722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81401 + ... + 81446.

It is an arithmetic number, because the mean of its divisors is an integer number (977088).

Almost surely, 2^3745481 is an apocalyptic number.

It is an amenable number.

3745481 is a deficient number, since it is larger than the sum of its proper divisors (162871).

3745481 is a wasteful number, since it uses less digits than its factorization.

3745481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162870.

The product of its digits is 13440, while the sum is 32.

The square root of 3745481 is about 1935.3245205908. The cubic root of 3745481 is about 155.2991931740.

The spelling of 3745481 in words is "three million, seven hundred forty-five thousand, four hundred eighty-one".