77134743 has 24 divisors (see below), whose sum is σ = 128580608. Its totient is φ = 43645392.

The previous prime is 77134723. The next prime is 77134753. The reversal of 77134743 is 34743177.

It is not a de Polignac number, because 77134743 - 2¹³ = 77126551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77134698 and 77134707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77134723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546 + ... + 12432.

Almost surely, 2^77134743 is an apocalyptic number.

77134743 is a deficient number, since it is larger than the sum of its proper divisors (51445865).

77134743 is a wasteful number, since it uses less digits than its factorization.

77134743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12003 (or 12000 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 77134743 is about 8782.6387264876. The cubic root of 77134743 is about 425.6800977273.

It can be divided in two parts, 77134 and 743, that added together give a palindrome (77877).

The spelling of 77134743 in words is "seventy-seven million, one hundred thirty-four thousand, seven hundred forty-three".