77115734 has 16 divisors (see below), whose sum is σ = 121201920. Its totient is φ = 36729000.

The previous prime is 77115719. The next prime is 77115739. The reversal of 77115734 is 43751177.

It is a junction number, because it is equal to n+sod(n) for n = 77115694 and 77115703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77115739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8207 + ... + 14885.

It is an arithmetic number, because the mean of its divisors is an integer number (7575120).

Almost surely, 2^77115734 is an apocalyptic number.

77115734 is a deficient number, since it is larger than the sum of its proper divisors (44086186).

77115734 is a wasteful number, since it uses less digits than its factorization.

77115734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955.

The product of its digits is 20580, while the sum is 35.

The square root of 77115734 is about 8781.5564679617. The cubic root of 77115734 is about 425.6451268116.

The spelling of 77115734 in words is "seventy-seven million, one hundred fifteen thousand, seven hundred thirty-four".