7715064 has 64 divisors (see below), whose sum is σ = 23212800. Its totient is φ = 2087424.

The previous prime is 7715053. The next prime is 7715069. The reversal of 7715064 is 4605177.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7715069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984 + ... + 4400.

It is an arithmetic number, because the mean of its divisors is an integer number (362700).

Almost surely, 2^7715064 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 7715064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11606400).

7715064 is an abundant number, since it is smaller than the sum of its proper divisors (15497736).

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

7715064 is a wasteful number, since it uses less digits than its factorization.

7715064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 7715064 is about 2777.6004032258. The cubic root of 7715064 is about 197.5967714618.

The spelling of 7715064 in words is "seven million, seven hundred fifteen thousand, sixty-four".