7064656 has 40 divisors (see below), whose sum is σ = 15266880. Its totient is φ = 3147264.

The previous prime is 7064653. The next prime is 7064663. The reversal of 7064656 is 6564607.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7064653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4485 + ... + 5851.

It is an arithmetic number, because the mean of its divisors is an integer number (381672).

Almost surely, 2^7064656 is an apocalyptic number.

7064656 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7064656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7633440).

7064656 is an abundant number, since it is smaller than the sum of its proper divisors (8202224).

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

7064656 is a wasteful number, since it uses less digits than its factorization.

7064656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 7064656 is about 2657.9420610691. The cubic root of 7064656 is about 191.8802783723.

The spelling of 7064656 in words is "seven million, sixty-four thousand, six hundred fifty-six".