3673440 has 72 divisors (see below), whose sum is σ = 12540528. Its totient is φ = 979200.

The previous prime is 3673429. The next prime is 3673457. The reversal of 3673440 is 443763.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×3673440² = 26988322867200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165 + ... + 2715.

It is an arithmetic number, because the mean of its divisors is an integer number (174174).

Almost surely, 2^3673440 is an apocalyptic number.

3673440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3673440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6270264).

3673440 is an abundant number, since it is smaller than the sum of its proper divisors (8867088).

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

3673440 is a wasteful number, since it uses less digits than its factorization.

3673440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2561 counting only the distinct ones).

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

The square root of 3673440 is about 1916.6220284657. The cubic root of 3673440 is about 154.2970597183.

The spelling of 3673440 in words is "three million, six hundred seventy-three thousand, four hundred forty".