76486680 has 224 divisors, whose sum is σ = 268353360. Its totient is φ = 19595520.

The previous prime is 76486679. The next prime is 76486721. The reversal of 76486680 is 8668467.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1253850 + ... + 1253910.

Almost surely, 2^76486680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76486680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134176680).

76486680 is an abundant number, since it is smaller than the sum of its proper divisors (191866680).

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

76486680 is a wasteful number, since it uses less digits than its factorization.

76486680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 76486680 is about 8745.6663554014. Note that the first 3 decimals coincide. The cubic root of 76486680 is about 424.4845978255.

The spelling of 76486680 in words is "seventy-six million, four hundred eighty-six thousand, six hundred eighty".