3734440 has 32 divisors (see below), whose sum is σ = 8505000. Its totient is φ = 1475584.

The previous prime is 3734429. The next prime is 3734443. The reversal of 3734440 is 444373.

It can be written as a sum of positive squares in 4 ways, for example, as 3189796 + 544644 = 1786^2 + 738^2 .

It is a super-2 number, since 2×3734440² = 27892084227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3734443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3036 + ... + 4084.

Almost surely, 2^3734440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3734440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4252500).

3734440 is an abundant number, since it is smaller than the sum of its proper divisors (4770560).

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

3734440 is a wasteful number, since it uses less digits than its factorization.

3734440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1145 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 3734440 is about 1932.4699221463. The cubic root of 3734440 is about 155.1464450143.

The spelling of 3734440 in words is "three million, seven hundred thirty-four thousand, four hundred forty".