7648650 has 72 divisors (see below), whose sum is σ = 21471840. Its totient is φ = 1948320.

The previous prime is 7648649. The next prime is 7648687. The reversal of 7648650 is 568467.

It is a happy number.

7648650 is a `hidden beast` number, since 7 + 648 + 6 + 5 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9981 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (298220).

Almost surely, 2^7648650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7648650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10735920).

7648650 is an abundant number, since it is smaller than the sum of its proper divisors (13823190).

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

7648650 is a wasteful number, since it uses less digits than its factorization.

7648650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 772 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7648650 is about 2765.6192796551. The cubic root of 7648650 is about 197.0281423717.

The spelling of 7648650 in words is "seven million, six hundred forty-eight thousand, six hundred fifty".