76651776 has 216 divisors, whose sum is σ = 248713920. Its totient is φ = 22560768.

The previous prime is 76651769. The next prime is 76651777. The reversal of 76651776 is 67715667.

76651776 is a `hidden beast` number, since 7 + 66 + 517 + 76 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76651777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 744141 + ... + 744243.

Almost surely, 2^76651776 is an apocalyptic number.

76651776 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76651776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124356960).

76651776 is an abundant number, since it is smaller than the sum of its proper divisors (172062144).

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

76651776 is a wasteful number, since it uses less digits than its factorization.

76651776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 144 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 76651776 is about 8755.0999994289. The cubic root of 76651776 is about 424.7897940881.

The spelling of 76651776 in words is "seventy-six million, six hundred fifty-one thousand, seven hundred seventy-six".