3707040640 has 128 divisors (see below), whose sum is σ = 9380344320. Its totient is φ = 1397975040.

The previous prime is 3707040629. The next prime is 3707040641. The reversal of 3707040640 is 460407073.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×3707040640² = 27484300613223219200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3707040641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1043347 + ... + 1046893.

It is an arithmetic number, because the mean of its divisors is an integer number (73283940).

Almost surely, 2^3707040640 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 3707040640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4690172160).

3707040640 is an abundant number, since it is smaller than the sum of its proper divisors (5673303680).

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

3707040640 is a wasteful number, since it uses less digits than its factorization.

3707040640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660 (or 3648 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 3707040640 is about 60885.4715018287. The cubic root of 3707040640 is about 1547.6607989794.

The spelling of 3707040640 in words is "three billion, seven hundred seven million, forty thousand, six hundred forty".