76545434 has 16 divisors (see below), whose sum is σ = 131544000. Its totient is φ = 32724384.

The previous prime is 76545431. The next prime is 76545467. The reversal of 76545434 is 43454567.

It is a happy number.

76545434 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76545431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659 + ... + 12390.

It is an arithmetic number, because the mean of its divisors is an integer number (8221500).

Almost surely, 2^76545434 is an apocalyptic number.

76545434 is a deficient number, since it is larger than the sum of its proper divisors (54998566).

76545434 is a wasteful number, since it uses less digits than its factorization.

76545434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477.

The product of its digits is 201600, while the sum is 38.

The square root of 76545434 is about 8749.0247456502. The cubic root of 76545434 is about 424.5932606880.

The spelling of 76545434 in words is "seventy-six million, five hundred forty-five thousand, four hundred thirty-four".