3724237 has 4 divisors (see below), whose sum is σ = 4062816. Its totient is φ = 3385660.

The previous prime is 3724223. The next prime is 3724243. The reversal of 3724237 is 7324273.

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: 7324273 = 11 ⋅665843.

It is a cyclic number.

It is not a de Polignac number, because 3724237 - 2⁷ = 3724109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3724277) 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, 169273 + ... + 169294.

It is an arithmetic number, because the mean of its divisors is an integer number (1015704).

Almost surely, 2^3724237 is an apocalyptic number.

It is an amenable number.

3724237 is a deficient number, since it is larger than the sum of its proper divisors (338579).

3724237 is a wasteful number, since it uses less digits than its factorization.

3724237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338578.

The product of its digits is 7056, while the sum is 28.

The square root of 3724237 is about 1929.8282306983. The cubic root of 3724237 is about 155.0050223832.

The spelling of 3724237 in words is "three million, seven hundred twenty-four thousand, two hundred thirty-seven".