76734136 has 8 divisors (see below), whose sum is σ = 143876520. Its totient is φ = 38367064.

The previous prime is 76734131. The next prime is 76734137. The reversal of 76734136 is 63143767.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 76734095 and 76734104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76734131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4795876 + ... + 4795891.

It is an arithmetic number, because the mean of its divisors is an integer number (17984565).

Almost surely, 2^76734136 is an apocalyptic number.

It is an amenable number.

76734136 is a deficient number, since it is larger than the sum of its proper divisors (67142384).

76734136 is a wasteful number, since it uses less digits than its factorization.

76734136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9591773 (or 9591769 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 76734136 is about 8759.8022808737. The cubic root of 76734136 is about 424.9418808645.

The spelling of 76734136 in words is "seventy-six million, seven hundred thirty-four thousand, one hundred thirty-six".