76747434 has 16 divisors (see below), whose sum is σ = 153679680. Its totient is φ = 25551680.

The previous prime is 76747423. The next prime is 76747483. The reversal of 76747434 is 43474767.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1974 + ... + 12545.

It is an arithmetic number, because the mean of its divisors is an integer number (9604980).

Almost surely, 2^76747434 is an apocalyptic number.

76747434 is an abundant number, since it is smaller than the sum of its proper divisors (76932246).

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

76747434 is a wasteful number, since it uses less digits than its factorization.

76747434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15405.

The product of its digits is 395136, while the sum is 42.

The square root of 76747434 is about 8760.5612833882. The cubic root of 76747434 is about 424.9664268750.

The spelling of 76747434 in words is "seventy-six million, seven hundred forty-seven thousand, four hundred thirty-four".