7087664 has 10 divisors (see below), whose sum is σ = 13732380. Its totient is φ = 3543824.

The previous prime is 7087631. The next prime is 7087667. The reversal of 7087664 is 4667807.

It is not an unprimeable number, because it can be changed into a prime (7087667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221474 + ... + 221505.

It is an arithmetic number, because the mean of its divisors is an integer number (1373238).

Almost surely, 2^7087664 is an apocalyptic number.

It is an amenable number.

7087664 is a deficient number, since it is larger than the sum of its proper divisors (6644716).

7087664 is a wasteful number, since it uses less digits than its factorization.

7087664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442987 (or 442981 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 7087664 is about 2662.2667033939. The cubic root of 7087664 is about 192.0883563239.

The spelling of 7087664 in words is "seven million, eighty-seven thousand, six hundred sixty-four".