7650864 has 120 divisors (see below), whose sum is σ = 23786672. Its totient is φ = 2280960.

The previous prime is 7650847. The next prime is 7650883. The reversal of 7650864 is 4680567.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 114159 + ... + 114225.

Almost surely, 2^7650864 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 7650864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11893336).

7650864 is an abundant number, since it is smaller than the sum of its proper divisors (16135808).

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

7650864 is a wasteful number, since it uses less digits than its factorization.

7650864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 146 counting only the distinct ones).

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

The square root of 7650864 is about 2766.0195227077. The cubic root of 7650864 is about 197.0471513133.

The spelling of 7650864 in words is "seven million, six hundred fifty thousand, eight hundred sixty-four".