76863480 has 32 divisors (see below), whose sum is σ = 230590800. Its totient is φ = 20496896.

The previous prime is 76863463. The next prime is 76863481. The reversal of 76863480 is 8436867.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76863481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320145 + ... + 320384.

Almost surely, 2^76863480 is an apocalyptic number.

It is an amenable number.

76863480 is an abundant number, since it is smaller than the sum of its proper divisors (153727320).

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

76863480 is a wasteful number, since it uses less digits than its factorization.

76863480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640543 (or 640539 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 76863480 is about 8767.1819873891. The cubic root of 76863480 is about 425.1805092504.

The spelling of 76863480 in words is "seventy-six million, eight hundred sixty-three thousand, four hundred eighty".