3640750 has 16 divisors (see below), whose sum is σ = 6815952. Its totient is φ = 1456200.

The previous prime is 3640717. The next prime is 3640753. The reversal of 3640750 is 570463.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7032 + ... + 7531.

It is an arithmetic number, because the mean of its divisors is an integer number (425997).

Almost surely, 2^3640750 is an apocalyptic number.

3640750 is a deficient number, since it is larger than the sum of its proper divisors (3175202).

3640750 is a wasteful number, since it uses less digits than its factorization.

3640750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580 (or 14570 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3640750 is about 1908.0749461172. The cubic root of 3640750 is about 153.8379979651.

The spelling of 3640750 in words is "three million, six hundred forty thousand, seven hundred fifty".