77332650 has 48 divisors (see below), whose sum is σ = 193216800. Its totient is φ = 20468160.

The previous prime is 77332649. The next prime is 77332663. The reversal of 77332650 is 5623377.

It is a congruent number.

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, 18996 + ... + 22704.

It is an arithmetic number, because the mean of its divisors is an integer number (4025350).

Almost surely, 2^77332650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77332650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96608400).

77332650 is an abundant number, since it is smaller than the sum of its proper divisors (115884150).

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

77332650 is a wasteful number, since it uses less digits than its factorization.

77332650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863 (or 3858 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 77332650 is about 8793.8984529047. The cubic root of 77332650 is about 426.0438470154.

The spelling of 77332650 in words is "seventy-seven million, three hundred thirty-two thousand, six hundred fifty".