76434432 has 88 divisors (see below), whose sum is σ = 206337600. Its totient is φ = 25153536.

The previous prime is 76434419. The next prime is 76434433. The reversal of 76434432 is 23443467.

It is a junction number, because it is equal to n+sod(n) for n = 76434393 and 76434402.

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, 426919 + ... + 427097.

Almost surely, 2^76434432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103168800).

76434432 is an abundant number, since it is smaller than the sum of its proper divisors (129903168).

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

76434432 is a wasteful number, since it uses less digits than its factorization.

76434432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 323 counting only the distinct ones).

The product of its digits is 48384, while the sum is 33.

The square root of 76434432 is about 8742.6787656873. The cubic root of 76434432 is about 424.3879207604.

Adding to 76434432 its reverse (23443467), we get a palindrome (99877899).

The spelling of 76434432 in words is "seventy-six million, four hundred thirty-four thousand, four hundred thirty-two".