7475668 has 6 divisors (see below), whose sum is σ = 13082426. Its totient is φ = 3737832.

The previous prime is 7475651. The next prime is 7475687. The reversal of 7475668 is 8665747.

It can be written as a sum of positive squares in only one way, i.e., 6697744 + 777924 = 2588^2 + 882^2 .

It is a super-2 number, since 2×7475668² = 111771224092448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934455 + ... + 934462.

Almost surely, 2^7475668 is an apocalyptic number.

It is an amenable number.

7475668 is a deficient number, since it is larger than the sum of its proper divisors (5606758).

7475668 is a wasteful number, since it uses less digits than its factorization.

7475668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868921 (or 1868919 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 7475668 is about 2734.1667835010. The cubic root of 7475668 is about 195.5314714849.

The spelling of 7475668 in words is "seven million, four hundred seventy-five thousand, six hundred sixty-eight".