3730140 has 144 divisors (see below), whose sum is σ = 12737088. Its totient is φ = 878592.

The previous prime is 3730093. The next prime is 3730141. The reversal of 3730140 is 410373.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3730141) 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 47 ways as a sum of consecutive naturals, for example, 70354 + ... + 70406.

It is an arithmetic number, because the mean of its divisors is an integer number (88452).

Almost surely, 2^3730140 is an apocalyptic number.

3730140 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 3730140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6368544).

3730140 is an abundant number, since it is smaller than the sum of its proper divisors (9006948).

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

3730140 is a wasteful number, since it uses less digits than its factorization.

3730140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 3730140 is about 1931.3570358688. The cubic root of 3730140 is about 155.0868746430.

The spelling of 3730140 in words is "three million, seven hundred thirty thousand, one hundred forty".