76847090 has 8 divisors (see below), whose sum is σ = 138324780. Its totient is φ = 30738832.

The previous prime is 76847081. The next prime is 76847093. The reversal of 76847090 is 9074867.

It can be written as a sum of positive squares in 2 ways, for example, as 74770609 + 2076481 = 8647^2 + 1441^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (76847093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842345 + ... + 3842364.

Almost surely, 2^76847090 is an apocalyptic number.

76847090 is a deficient number, since it is larger than the sum of its proper divisors (61477690).

76847090 is a wasteful number, since it uses less digits than its factorization.

76847090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7684716.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 76847090 is about 8766.2472016251. The cubic root of 76847090 is about 425.1502859509.

The spelling of 76847090 in words is "seventy-six million, eight hundred forty-seven thousand, ninety".