3745653 has 4 divisors (see below), whose sum is σ = 4994208. Its totient is φ = 2497100.

The previous prime is 3745649. The next prime is 3745663. The reversal of 3745653 is 3565473.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3565473 = 3 ⋅1188491.

It is a cyclic number.

It is not a de Polignac number, because 3745653 - 2² = 3745649 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624273 + ... + 624278.

It is an arithmetic number, because the mean of its divisors is an integer number (1248552).

Almost surely, 2^3745653 is an apocalyptic number.

It is an amenable number.

3745653 is a deficient number, since it is larger than the sum of its proper divisors (1248555).

3745653 is a wasteful number, since it uses less digits than its factorization.

3745653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248554.

The product of its digits is 37800, while the sum is 33.

The square root of 3745653 is about 1935.3689570725. The cubic root of 3745653 is about 155.3015703545.

The spelling of 3745653 in words is "three million, seven hundred forty-five thousand, six hundred fifty-three".