77340734 has 4 divisors (see below), whose sum is σ = 116011104. Its totient is φ = 38670366.

The previous prime is 77340689. The next prime is 77340737. The reversal of 77340734 is 43704377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43704377 = 1163 ⋅37579.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 77340694 and 77340703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77340737) 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 as a sum of consecutive naturals, namely, 19335182 + ... + 19335185.

It is an arithmetic number, because the mean of its divisors is an integer number (29002776).

Almost surely, 2^77340734 is an apocalyptic number.

77340734 is a deficient number, since it is larger than the sum of its proper divisors (38670370).

77340734 is a wasteful number, since it uses less digits than its factorization.

77340734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38670369.

The product of its (nonzero) digits is 49392, while the sum is 35.

The square root of 77340734 is about 8794.3580777678. The cubic root of 77340734 is about 426.0586920537.

The spelling of 77340734 in words is "seventy-seven million, three hundred forty thousand, seven hundred thirty-four".