7661201 has 4 divisors (see below), whose sum is σ = 7701504. Its totient is φ = 7620900.

The previous prime is 7661197. The next prime is 7661207. The reversal of 7661201 is 1021667.

7661201 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1021667 = 31 ⋅32957.

It is not a de Polignac number, because 7661201 - 2² = 7661197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7661207) 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, 19865 + ... + 20246.

It is an arithmetic number, because the mean of its divisors is an integer number (1925376).

Almost surely, 2^7661201 is an apocalyptic number.

It is an amenable number.

7661201 is a deficient number, since it is larger than the sum of its proper divisors (40303).

7661201 is a wasteful number, since it uses less digits than its factorization.

7661201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40302.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 7661201 is about 2767.8874615851. The cubic root of 7661201 is about 197.1358541386.

Adding to 7661201 its reverse (1021667), we get a palindrome (8682868).

The spelling of 7661201 in words is "seven million, six hundred sixty-one thousand, two hundred one".