76734736 has 40 divisors (see below), whose sum is σ = 169536024. Its totient is φ = 33331200.

The previous prime is 76734731. The next prime is 76734761. The reversal of 76734736 is 63743767.

It can be written as a sum of positive squares in 4 ways, for example, as 21678336 + 55056400 = 4656^2 + 7420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76734692 and 76734701.

It is not an unprimeable number, because it can be changed into a prime (76734731) 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, 7315 + ... + 14386.

Almost surely, 2^76734736 is an apocalyptic number.

It is an amenable number.

76734736 is an abundant number, since it is smaller than the sum of its proper divisors (92801288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76734736 is a wasteful number, since it uses less digits than its factorization.

76734736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21739 (or 21733 counting only the distinct ones).

The product of its digits is 444528, while the sum is 43.

The square root of 76734736 is about 8759.8365281551. The cubic root of 76734736 is about 424.9429884310.

The spelling of 76734736 in words is "seventy-six million, seven hundred thirty-four thousand, seven hundred thirty-six".