7319664 has 60 divisors (see below), whose sum is σ = 22351992. Its totient is φ = 2217600.

The previous prime is 7319659. The next prime is 7319699. The reversal of 7319664 is 4669137.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727 + ... + 3894.

Almost surely, 2^7319664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7319664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11175996).

7319664 is an abundant number, since it is smaller than the sum of its proper divisors (15032328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7319664 is a wasteful number, since it uses less digits than its factorization.

7319664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4637 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 7319664 is about 2705.4877563944. The cubic root of 7319664 is about 194.1617667986.

The spelling of 7319664 in words is "seven million, three hundred nineteen thousand, six hundred sixty-four".