3723642 has 24 divisors (see below), whose sum is σ = 8689044. Its totient is φ = 1145664.

The previous prime is 3723641. The next prime is 3723647. The reversal of 3723642 is 2463273.

It can be written as a sum of positive squares in 2 ways, for example, as 3721041 + 2601 = 1929^2 + 51^2 .

It is not an unprimeable number, because it can be changed into a prime (3723641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7723 + ... + 8190.

Almost surely, 2^3723642 is an apocalyptic number.

3723642 is an abundant number, since it is smaller than the sum of its proper divisors (4965402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3723642 is a wasteful number, since it uses less digits than its factorization.

3723642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15934 (or 15931 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 3723642 is about 1929.6740657427. The cubic root of 3723642 is about 154.9967671889.

The spelling of 3723642 in words is "three million, seven hundred twenty-three thousand, six hundred forty-two".