77305050 has 96 divisors (see below), whose sum is σ = 214896960. Its totient is φ = 20433600.

The previous prime is 77305037. The next prime is 77305061. The reversal of 77305050 is 5050377.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233385 + ... + 233715.

It is an arithmetic number, because the mean of its divisors is an integer number (2238510).

Almost surely, 2^77305050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77305050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107448480).

77305050 is an abundant number, since it is smaller than the sum of its proper divisors (137591910).

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

77305050 is a wasteful number, since it uses less digits than its factorization.

77305050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 3675, while the sum is 27.

The square root of 77305050 is about 8792.3290429783. The cubic root of 77305050 is about 425.9931560099.

The spelling of 77305050 in words is "seventy-seven million, three hundred five thousand, fifty".