3687473 has 4 divisors (see below), whose sum is σ = 3691380. Its totient is φ = 3683568.

The previous prime is 3687469. The next prime is 3687557. The reversal of 3687473 is 3747863.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 1926544 + 1760929 = 1388^2 + 1327^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687473 - 2² = 3687469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3687403) 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, 443 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (922845).

Almost surely, 2^3687473 is an apocalyptic number.

It is an amenable number.

3687473 is a deficient number, since it is larger than the sum of its proper divisors (3907).

3687473 is a wasteful number, since it uses less digits than its factorization.

3687473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3906.

The product of its digits is 84672, while the sum is 38.

The square root of 3687473 is about 1920.2794067531. The cubic root of 3687473 is about 154.4932880764.

The spelling of 3687473 in words is "three million, six hundred eighty-seven thousand, four hundred seventy-three".