77743043 has 4 divisors (see below), whose sum is σ = 88849200. Its totient is φ = 66636888.

The previous prime is 77743037. The next prime is 77743067. The reversal of 77743043 is 34034777.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 77743043 - 2⁴ = 77743027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77742994 and 77743012.

It is not an unprimeable number, because it can be changed into a prime (77743543) 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 3 ways as a sum of consecutive naturals, for example, 5553068 + ... + 5553081.

It is an arithmetic number, because the mean of its divisors is an integer number (22212300).

Almost surely, 2^77743043 is an apocalyptic number.

77743043 is a deficient number, since it is larger than the sum of its proper divisors (11106157).

77743043 is a wasteful number, since it uses less digits than its factorization.

77743043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106156.

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

The square root of 77743043 is about 8817.2015401713. The cubic root of 77743043 is about 426.7961684398.

The spelling of 77743043 in words is "seventy-seven million, seven hundred forty-three thousand, forty-three".