3672637 has 4 divisors (see below), whose sum is σ = 3677020. Its totient is φ = 3668256.

The previous prime is 3672623. The next prime is 3672659. The reversal of 3672637 is 7362763.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7362763 = 1873 ⋅3931.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 1425636 = 1499^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 3672637 - 2¹⁵ = 3639869 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 (3672677) 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, 498 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (919255).

Almost surely, 2^3672637 is an apocalyptic number.

It is an amenable number.

3672637 is a deficient number, since it is larger than the sum of its proper divisors (4383).

3672637 is a wasteful number, since it uses less digits than its factorization.

3672637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4382.

The product of its digits is 31752, while the sum is 34.

The square root of 3672637 is about 1916.4125338768. The cubic root of 3672637 is about 154.2858159824.

It can be divided in two parts, 36726 and 37, that added together give a palindrome (36763).

The spelling of 3672637 in words is "three million, six hundred seventy-two thousand, six hundred thirty-seven".