3723507640 has 16 divisors (see below), whose sum is σ = 8377892280. Its totient is φ = 1489403040.

The previous prime is 3723507631. The next prime is 3723507673. The reversal of 3723507640 is 467053273.

It is a self number, because there is not a number n which added to its sum of digits gives 3723507640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46543806 + ... + 46543885.

Almost surely, 2^3723507640 is an apocalyptic number.

It is an amenable number.

3723507640 is an abundant number, since it is smaller than the sum of its proper divisors (4654384640).

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

3723507640 is a wasteful number, since it uses less digits than its factorization.

3723507640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93087702 (or 93087698 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 3723507640 is about 61020.5509644087. The cubic root of 3723507640 is about 1549.9490291945.

The spelling of 3723507640 in words is "three billion, seven hundred twenty-three million, five hundred seven thousand, six hundred forty".