3667726 has 4 divisors (see below), whose sum is σ = 5501592. Its totient is φ = 1833862.

The previous prime is 3667723. The next prime is 3667751. The reversal of 3667726 is 6277663.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3667726² = 26904428022152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916930 + ... + 916933.

It is an arithmetic number, because the mean of its divisors is an integer number (1375398).

Almost surely, 2^3667726 is an apocalyptic number.

3667726 is a deficient number, since it is larger than the sum of its proper divisors (1833866).

3667726 is a wasteful number, since it uses less digits than its factorization.

3667726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833865.

The product of its digits is 63504, while the sum is 37.

The square root of 3667726 is about 1915.1308049321. The cubic root of 3667726 is about 154.2170156788.

The spelling of 3667726 in words is "three million, six hundred sixty-seven thousand, seven hundred twenty-six".