77433705 has 32 divisors (see below), whose sum is σ = 139931520. Its totient is φ = 40616640.

The previous prime is 77433701. The next prime is 77433731. The reversal of 77433705 is 50733477.

It is not a de Polignac number, because 77433705 - 2² = 77433701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77433705.

It is not an unprimeable number, because it can be changed into a prime (77433701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3534 + ... + 12936.

It is an arithmetic number, because the mean of its divisors is an integer number (4372860).

Almost surely, 2^77433705 is an apocalyptic number.

It is an amenable number.

77433705 is a deficient number, since it is larger than the sum of its proper divisors (62497815).

77433705 is a wasteful number, since it uses less digits than its factorization.

77433705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478 (or 9472 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The square root of 77433705 is about 8799.6423222765. The cubic root of 77433705 is about 426.2293448653.

The spelling of 77433705 in words is "seventy-seven million, four hundred thirty-three thousand, seven hundred five".