7618864 has 40 divisors (see below), whose sum is σ = 16351632. Its totient is φ = 3409920.

The previous prime is 7618861. The next prime is 7618883. The reversal of 7618864 is 4688167.

It is not an unprimeable number, because it can be changed into a prime (7618861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12552 + ... + 13144.

Almost surely, 2^7618864 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 7618864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8175816).

7618864 is an abundant number, since it is smaller than the sum of its proper divisors (8732768).

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

7618864 is a wasteful number, since it uses less digits than its factorization.

7618864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 679 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 7618864 is about 2760.2289760091. The cubic root of 7618864 is about 196.7720486004.

The spelling of 7618864 in words is "seven million, six hundred eighteen thousand, eight hundred sixty-four".