3640575746 has 16 divisors (see below), whose sum is σ = 5728140288. Its totient is φ = 1732024800.

The previous prime is 3640575739. The next prime is 3640575751. The reversal of 3640575746 is 6475750463.

It is a self number, because there is not a number n which added to its sum of digits gives 3640575746.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 198395 + ... + 215966.

It is an arithmetic number, because the mean of its divisors is an integer number (358008768).

Almost surely, 2^3640575746 is an apocalyptic number.

3640575746 is a deficient number, since it is larger than the sum of its proper divisors (2087564542).

3640575746 is a wasteful number, since it uses less digits than its factorization.

3640575746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414577.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The square root of 3640575746 is about 60337.1837758442. The cubic root of 3640575746 is about 1538.3554358853.

The spelling of 3640575746 in words is "three billion, six hundred forty million, five hundred seventy-five thousand, seven hundred forty-six".