7041664 has 64 divisors (see below), whose sum is σ = 16646400. Its totient is φ = 2903040.

The previous prime is 7041649. The next prime is 7041679. The reversal of 7041664 is 4661407.

It is an interprime number because it is at equal distance from previous prime (7041649) and next prime (7041679).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25849 + ... + 26119.

It is an arithmetic number, because the mean of its divisors is an integer number (260100).

Almost surely, 2^7041664 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 7041664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8323200).

7041664 is an abundant number, since it is smaller than the sum of its proper divisors (9604736).

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

7041664 is a wasteful number, since it uses less digits than its factorization.

7041664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7041664 is about 2653.6133855556. The cubic root of 7041664 is about 191.6718933252.

The spelling of 7041664 in words is "seven million, forty-one thousand, six hundred sixty-four".