77734349 has 8 divisors (see below), whose sum is σ = 96915648. Its totient is φ = 60572160.

The previous prime is 77734303. The next prime is 77734361. The reversal of 77734349 is 94343777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-77734349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77734379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504692 + ... + 504845.

It is an arithmetic number, because the mean of its divisors is an integer number (12114456).

Almost surely, 2^77734349 is an apocalyptic number.

It is an amenable number.

77734349 is a deficient number, since it is larger than the sum of its proper divisors (19181299).

77734349 is a wasteful number, since it uses less digits than its factorization.

77734349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009555.

The product of its digits is 444528, while the sum is 44.

The square root of 77734349 is about 8816.7085128181. The cubic root of 77734349 is about 426.7802583164.

The spelling of 77734349 in words is "seventy-seven million, seven hundred thirty-four thousand, three hundred forty-nine".