7487668 has 6 divisors (see below), whose sum is σ = 13103426. Its totient is φ = 3743832.

The previous prime is 7487657. The next prime is 7487677. The reversal of 7487668 is 8667847.

It can be written as a sum of positive squares in only one way, i.e., 6260004 + 1227664 = 2502^2 + 1108^2 .

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, 935955 + ... + 935962.

Almost surely, 2^7487668 is an apocalyptic number.

It is an amenable number.

7487668 is a deficient number, since it is larger than the sum of its proper divisors (5615758).

7487668 is a wasteful number, since it uses less digits than its factorization.

7487668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871921 (or 1871919 counting only the distinct ones).

The product of its digits is 451584, while the sum is 46.

The square root of 7487668 is about 2736.3603563858. The cubic root of 7487668 is about 195.6360384303.

The spelling of 7487668 in words is "seven million, four hundred eighty-seven thousand, six hundred sixty-eight".