76843842 has 48 divisors (see below), whose sum is σ = 166963680. Its totient is φ = 23489536.

The previous prime is 76843829. The next prime is 76843849. The reversal of 76843842 is 24834867.

It is a junction number, because it is equal to n+sod(n) for n = 76843794 and 76843803.

It is not an unprimeable number, because it can be changed into a prime (76843849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679978 + ... + 680090.

It is an arithmetic number, because the mean of its divisors is an integer number (3478410).

Almost surely, 2^76843842 is an apocalyptic number.

76843842 is an abundant number, since it is smaller than the sum of its proper divisors (90119838).

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

76843842 is a wasteful number, since it uses less digits than its factorization.

76843842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 194 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 76843842 is about 8766.0619436552. The cubic root of 76843842 is about 425.1442961010.

The spelling of 76843842 in words is "seventy-six million, eight hundred forty-three thousand, eight hundred forty-two".