3640547067 has 8 divisors (see below), whose sum is σ = 4854695760. Its totient is φ = 2426714880.

The previous prime is 3640547023. The next prime is 3640547089. The reversal of 3640547067 is 7607450463.

It is a happy number.

3640547067 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3640547067 - 2¹⁴ = 3640530683 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3640547017) 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, 50842 + ... + 99327.

It is an arithmetic number, because the mean of its divisors is an integer number (606836970).

Almost surely, 2^3640547067 is an apocalyptic number.

3640547067 is a deficient number, since it is larger than the sum of its proper divisors (1214148693).

3640547067 is a wasteful number, since it uses less digits than its factorization.

3640547067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158253.

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 3640547067 is about 60336.9461192726. The cubic root of 3640547067 is about 1538.3513963584.

The spelling of 3640547067 in words is "three billion, six hundred forty million, five hundred forty-seven thousand, sixty-seven".