3745091 has 4 divisors (see below), whose sum is σ = 4280112. Its totient is φ = 3210072.

The previous prime is 3745087. The next prime is 3745111. The reversal of 3745091 is 1905473.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3745091 - 2² = 3745087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3745051) 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, 267500 + ... + 267513.

It is an arithmetic number, because the mean of its divisors is an integer number (1070028).

Almost surely, 2^3745091 is an apocalyptic number.

3745091 is a deficient number, since it is larger than the sum of its proper divisors (535021).

3745091 is an equidigital number, since it uses as much as digits as its factorization.

3745091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535020.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 3745091 is about 1935.2237596723. The cubic root of 3745091 is about 155.2938027860.

The spelling of 3745091 in words is "three million, seven hundred forty-five thousand, ninety-one".