7197668 has 6 divisors (see below), whose sum is σ = 12595926. Its totient is φ = 3598832.

The previous prime is 7197653. The next prime is 7197683. The reversal of 7197668 is 8667917.

It is an interprime number because it is at equal distance from previous prime (7197653) and next prime (7197683).

It can be written as a sum of positive squares in only one way, i.e., 3655744 + 3541924 = 1912^2 + 1882^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899705 + ... + 899712.

It is an arithmetic number, because the mean of its divisors is an integer number (2099321).

Almost surely, 2^7197668 is an apocalyptic number.

It is an amenable number.

7197668 is a deficient number, since it is larger than the sum of its proper divisors (5398258).

7197668 is a wasteful number, since it uses less digits than its factorization.

7197668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799421 (or 1799419 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 7197668 is about 2682.8469952645. The cubic root of 7197668 is about 193.0770272510.

The spelling of 7197668 in words is "seven million, one hundred ninety-seven thousand, six hundred sixty-eight".