76434430 has 16 divisors (see below), whose sum is σ = 142326720. Its totient is φ = 29519392.

The previous prime is 76434419. The next prime is 76434433. The reversal of 76434430 is 3443467.

It is a junction number, because it is equal to n+sod(n) for n = 76434392 and 76434401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76434433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131494 + ... + 132073.

It is an arithmetic number, because the mean of its divisors is an integer number (8895420).

Almost surely, 2^76434430 is an apocalyptic number.

76434430 is a deficient number, since it is larger than the sum of its proper divisors (65892290).

76434430 is a wasteful number, since it uses less digits than its factorization.

76434430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263603.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 76434430 is about 8742.6786513059. The cubic root of 76434430 is about 424.3879170589.

Adding to 76434430 its reverse (3443467), we get a palindrome (79877897).

The spelling of 76434430 in words is "seventy-six million, four hundred thirty-four thousand, four hundred thirty".