77343692 has 6 divisors (see below), whose sum is σ = 135351468. Its totient is φ = 38671844.

The previous prime is 77343691. The next prime is 77343697. The reversal of 77343692 is 29634377.

It is not an unprimeable number, because it can be changed into a prime (77343691) 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 as a sum of consecutive naturals, namely, 9667958 + ... + 9667965.

It is an arithmetic number, because the mean of its divisors is an integer number (22558578).

Almost surely, 2^77343692 is an apocalyptic number.

It is an amenable number.

77343692 is a deficient number, since it is larger than the sum of its proper divisors (58007776).

77343692 is a wasteful number, since it uses less digits than its factorization.

77343692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19335927 (or 19335925 counting only the distinct ones).

The product of its digits is 190512, while the sum is 41.

The square root of 77343692 is about 8794.5262521639. The cubic root of 77343692 is about 426.0641237129.

The spelling of 77343692 in words is "seventy-seven million, three hundred forty-three thousand, six hundred ninety-two".