7601663 has 4 divisors (see below), whose sum is σ = 7628808. Its totient is φ = 7574520.

The previous prime is 7601651. The next prime is 7601681. The reversal of 7601663 is 3661067.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3661067 = 521 ⋅7027.

It is a cyclic number.

It is not a de Polignac number, because 7601663 - 2⁴ = 7601647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7601963) 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, 13148 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (1907202).

Almost surely, 2^7601663 is an apocalyptic number.

7601663 is a deficient number, since it is larger than the sum of its proper divisors (27145).

7601663 is a wasteful number, since it uses less digits than its factorization.

7601663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27144.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 7601663 is about 2757.1113506712. Note that the first 3 decimals coincide. The cubic root of 7601663 is about 196.6238538745.

The spelling of 7601663 in words is "seven million, six hundred one thousand, six hundred sixty-three".