76543432 has 32 divisors (see below), whose sum is σ = 164304000. Its totient is φ = 32747904.

The previous prime is 76543427. The next prime is 76543447. The reversal of 76543432 is 23434567.

76543432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58093 + ... + 59395.

It is an arithmetic number, because the mean of its divisors is an integer number (5134500).

Almost surely, 2^76543432 is an apocalyptic number.

It is an amenable number.

76543432 is an abundant number, since it is smaller than the sum of its proper divisors (87760568).

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

76543432 is a wasteful number, since it uses less digits than its factorization.

76543432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2361 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 76543432 is about 8748.9103321499. The cubic root of 76543432 is about 424.5895589948.

Adding to 76543432 its reverse (23434567), we get a palindrome (99977999).

The spelling of 76543432 in words is "seventy-six million, five hundred forty-three thousand, four hundred thirty-two".