76946890 has 8 divisors (see below), whose sum is σ = 138504420. Its totient is φ = 30778752.

The previous prime is 76946843. The next prime is 76946917. The reversal of 76946890 is 9864967.

It can be written as a sum of positive squares in 2 ways, for example, as 76895361 + 51529 = 8769^2 + 227^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3847335 + ... + 3847354.

Almost surely, 2^76946890 is an apocalyptic number.

76946890 is a deficient number, since it is larger than the sum of its proper divisors (61557530).

76946890 is a wasteful number, since it uses less digits than its factorization.

76946890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694696.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 76946890 is about 8771.9376422772. The cubic root of 76946890 is about 425.3342514685.

The spelling of 76946890 in words is "seventy-six million, nine hundred forty-six thousand, eight hundred ninety".