7642001 has 4 divisors (see below), whose sum is σ = 7684404. Its totient is φ = 7599600.

The previous prime is 7641989. The next prime is 7642007. The reversal of 7642001 is 1002467.

7642001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3701776 + 3940225 = 1924^2 + 1985^2 .

It is a cyclic number.

It is not a de Polignac number, because 7642001 - 2⁶ = 7641937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7642007) 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, 20930 + ... + 21291.

It is an arithmetic number, because the mean of its divisors is an integer number (1921101).

Almost surely, 2^7642001 is an apocalyptic number.

It is an amenable number.

7642001 is a deficient number, since it is larger than the sum of its proper divisors (42403).

7642001 is a wasteful number, since it uses less digits than its factorization.

7642001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42402.

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

The square root of 7642001 is about 2764.4169367156. The cubic root of 7642001 is about 196.9710333869.

Adding to 7642001 its reverse (1002467), we get a palindrome (8644468).

The spelling of 7642001 in words is "seven million, six hundred forty-two thousand, one".