76840450 has 12 divisors (see below), whose sum is σ = 142923330. Its totient is φ = 30736160.

The previous prime is 76840433. The next prime is 76840471. The reversal of 76840450 is 5404867.

It can be written as a sum of positive squares in 3 ways, for example, as 33977241 + 42863209 = 5829^2 + 6547^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 768355 + ... + 768454.

Almost surely, 2^76840450 is an apocalyptic number.

76840450 is a deficient number, since it is larger than the sum of its proper divisors (66082880).

76840450 is a wasteful number, since it uses less digits than its factorization.

76840450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536821 (or 1536816 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 76840450 is about 8765.8684680983. The cubic root of 76840450 is about 425.1380405112.

The spelling of 76840450 in words is "seventy-six million, eight hundred forty thousand, four hundred fifty".