76434856 has 16 divisors (see below), whose sum is σ = 151745940. Its totient is φ = 35969280.

The previous prime is 76434847. The next prime is 76434857. The reversal of 76434856 is 65843467.

It can be written as a sum of positive squares in 2 ways, for example, as 76282756 + 152100 = 8734^2 + 390^2 .

It is not an unprimeable number, because it can be changed into a prime (76434857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280875 + ... + 281146.

Almost surely, 2^76434856 is an apocalyptic number.

It is an amenable number.

76434856 is a deficient number, since it is larger than the sum of its proper divisors (75311084).

76434856 is a wasteful number, since it uses less digits than its factorization.

76434856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562044 (or 562040 counting only the distinct ones).

The product of its digits is 483840, while the sum is 43.

The square root of 76434856 is about 8742.7030145144. The cubic root of 76434856 is about 424.3887054859.

The spelling of 76434856 in words is "seventy-six million, four hundred thirty-four thousand, eight hundred fifty-six".