77434406 has 24 divisors (see below), whose sum is σ = 136047600. Its totient is φ = 32957232.

The previous prime is 77434397. The next prime is 77434411. The reversal of 77434406 is 60443477.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 11951 + ... + 17253.

It is an arithmetic number, because the mean of its divisors is an integer number (5668650).

Almost surely, 2^77434406 is an apocalyptic number.

77434406 is a deficient number, since it is larger than the sum of its proper divisors (58613194).

77434406 is a wasteful number, since it uses less digits than its factorization.

77434406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468 (or 5461 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 77434406 is about 8799.6821533508. The cubic root of 77434406 is about 426.2306310661.

The spelling of 77434406 in words is "seventy-seven million, four hundred thirty-four thousand, four hundred six".