3640772 has 12 divisors (see below), whose sum is σ = 6479760. Its totient is φ = 1789416.

The previous prime is 3640753. The next prime is 3640781. The reversal of 3640772 is 2770463.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7478 + ... + 7949.

It is an arithmetic number, because the mean of its divisors is an integer number (539980).

Almost surely, 2^3640772 is an apocalyptic number.

It is an amenable number.

3640772 is a deficient number, since it is larger than the sum of its proper divisors (2838988).

3640772 is a wasteful number, since it uses less digits than its factorization.

3640772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15490 (or 15488 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 3640772 is about 1908.0807110812. The cubic root of 3640772 is about 153.8383078306.

The spelling of 3640772 in words is "three million, six hundred forty thousand, seven hundred seventy-two".