76843432 has 8 divisors (see below), whose sum is σ = 144081450. Its totient is φ = 38421712.

The previous prime is 76843427. The next prime is 76843433. The reversal of 76843432 is 23434867.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76842756 + 676 = 8766^2 + 26^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76843391 and 76843400.

It is not an unprimeable number, because it can be changed into a prime (76843433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4802707 + ... + 4802722.

Almost surely, 2^76843432 is an apocalyptic number.

It is an amenable number.

76843432 is a deficient number, since it is larger than the sum of its proper divisors (67238018).

76843432 is a wasteful number, since it uses less digits than its factorization.

76843432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605435 (or 9605431 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 76843432 is about 8766.0385579805. The cubic root of 76843432 is about 425.1435399812.

The spelling of 76843432 in words is "seventy-six million, eight hundred forty-three thousand, four hundred thirty-two".