7640201 has 4 divisors (see below), whose sum is σ = 7649172. Its totient is φ = 7631232.

The previous prime is 7640183. The next prime is 7640219. The reversal of 7640201 is 1020467.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7640183) and next prime (7640219).

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 3841600 = 1949^2 + 1960^2 .

It is a cyclic number.

It is not a de Polignac number, because 7640201 - 2¹⁴ = 7623817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7640221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056 + ... + 4961.

It is an arithmetic number, because the mean of its divisors is an integer number (1912293).

Almost surely, 2^7640201 is an apocalyptic number.

It is an amenable number.

7640201 is a deficient number, since it is larger than the sum of its proper divisors (8971).

7640201 is an equidigital number, since it uses as much as digits as its factorization.

7640201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8970.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7640201 is about 2764.0913516018. The cubic root of 7640201 is about 196.9555672936.

Adding to 7640201 its reverse (1020467), we get a palindrome (8660668).

The spelling of 7640201 in words is "seven million, six hundred forty thousand, two hundred one".