3745047 has 4 divisors (see below), whose sum is σ = 4993400. Its totient is φ = 2496696.

The previous prime is 3745019. The next prime is 3745051. The reversal of 3745047 is 7405473.

3745047 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.

It is not a de Polignac number, because 3745047 - 2¹⁰ = 3744023 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745087) 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, 624172 + ... + 624177.

It is an arithmetic number, because the mean of its divisors is an integer number (1248350).

Almost surely, 2^3745047 is an apocalyptic number.

3745047 is a deficient number, since it is larger than the sum of its proper divisors (1248353).

3745047 is a wasteful number, since it uses less digits than its factorization.

3745047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248352.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 3745047 is about 1935.2123914444. The cubic root of 3745047 is about 155.2931946162.

The spelling of 3745047 in words is "three million, seven hundred forty-five thousand, forty-seven".