76734612 has 18 divisors (see below), whose sum is σ = 193968138. Its totient is φ = 25578192.

The previous prime is 76734611. The next prime is 76734629. The reversal of 76734612 is 21643767.

76734612 is a `hidden beast` number, since 7 + 6 + 7 + 34 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53056656 + 23677956 = 7284^2 + 4866^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2131517 = 76734612 / (7 + 6 + 7 + 3 + 4 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76734611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1065723 + ... + 1065794.

Almost surely, 2^76734612 is an apocalyptic number.

It is an amenable number.

76734612 is an abundant number, since it is smaller than the sum of its proper divisors (117233526).

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

76734612 is a wasteful number, since it uses less digits than its factorization.

76734612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131527 (or 2131522 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 76734612 is about 8759.8294503946. The cubic root of 76734612 is about 424.9427595344.

The spelling of 76734612 in words is "seventy-six million, seven hundred thirty-four thousand, six hundred twelve".