3749523 has 4 divisors (see below), whose sum is σ = 4999368. Its totient is φ = 2499680.

The previous prime is 3749477. The next prime is 3749527. The reversal of 3749523 is 3259473.

It is a happy number.

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 3749523 - 2⁸ = 3749267 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹¹ + 7³ + 4⁷ + 9 + 5⁹ + 2¹³ + 3¹³ .

It is a D-number.

3749523 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3749527) 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, 624918 + ... + 624923.

It is an arithmetic number, because the mean of its divisors is an integer number (1249842).

Almost surely, 2^3749523 is an apocalyptic number.

3749523 is a deficient number, since it is larger than the sum of its proper divisors (1249845).

3749523 is a wasteful number, since it uses less digits than its factorization.

3749523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249844.

The product of its digits is 22680, while the sum is 33.

The square root of 3749523 is about 1936.3685083165. The cubic root of 3749523 is about 155.3550376855.

The spelling of 3749523 in words is "three million, seven hundred forty-nine thousand, five hundred twenty-three".