77650741 has 10 divisors (see below), whose sum is σ = 90589942. Its totient is φ = 66555720.

The previous prime is 77650723. The next prime is 77650799. The reversal of 77650741 is 14705677.

It can be written as a sum of positive squares in only one way, i.e., 51179716 + 26471025 = 7154^2 + 5145^2 .

It is not a de Polignac number, because 77650741 - 2⁵ = 77650709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77650741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77650711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13770 + ... + 18571.

Almost surely, 2^77650741 is an apocalyptic number.

It is an amenable number.

77650741 is a deficient number, since it is larger than the sum of its proper divisors (12939201).

77650741 is an frugal number, since it uses more digits than its factorization.

77650741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32369 (or 32348 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 77650741 is about 8811.9657852264. The cubic root of 77650741 is about 426.6271940887.

The spelling of 77650741 in words is "seventy-seven million, six hundred fifty thousand, seven hundred forty-one".