76876840 has 16 divisors (see below), whose sum is σ = 172972980. Its totient is φ = 30750720.

The previous prime is 76876837. The next prime is 76876847. The reversal of 76876840 is 4867867.

It can be written as a sum of positive squares in 2 ways, for example, as 76422564 + 454276 = 8742^2 + 674^2 .

It is not an unprimeable number, because it can be changed into a prime (76876847) 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, 960921 + ... + 961000.

Almost surely, 2^76876840 is an apocalyptic number.

It is an amenable number.

76876840 is an abundant number, since it is smaller than the sum of its proper divisors (96096140).

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

76876840 is a wasteful number, since it uses less digits than its factorization.

76876840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921932 (or 1921928 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 76876840 is about 8767.9438866818. The cubic root of 76876840 is about 425.2051420258.

The spelling of 76876840 in words is "seventy-six million, eight hundred seventy-six thousand, eight hundred forty".