7064640 has 168 divisors, whose sum is σ = 26627328. Its totient is φ = 1704960.

The previous prime is 7064633. The next prime is 7064653. The reversal of 7064640 is 464607.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31569 + ... + 31791.

It is an arithmetic number, because the mean of its divisors is an integer number (158496).

Almost surely, 2^7064640 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 7064640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13313664).

7064640 is an abundant number, since it is smaller than the sum of its proper divisors (19562688).

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

7064640 is a wasteful number, since it uses less digits than its factorization.

7064640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 7064640 is about 2657.9390512199. The cubic root of 7064640 is about 191.8801335157.

The spelling of 7064640 in words is "seven million, sixty-four thousand, six hundred forty".