76266720 has 72 divisors (see below), whose sum is σ = 260265096. Its totient is φ = 20337408.

The previous prime is 76266719. The next prime is 76266733. The reversal of 76266720 is 2766267.

76266720 is a `hidden beast` number, since 7 + 626 + 6 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×76266720² = 11633225159116800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 25042 + ... + 27921.

It is an arithmetic number, because the mean of its divisors is an integer number (3614793).

Almost surely, 2^76266720 is an apocalyptic number.

It is an amenable number.

76266720 is an abundant number, since it is smaller than the sum of its proper divisors (183998376).

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

76266720 is a wasteful number, since it uses less digits than its factorization.

76266720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52984 (or 52973 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 76266720 is about 8733.0819302237. The cubic root of 76266720 is about 424.0772969317.

The spelling of 76266720 in words is "seventy-six million, two hundred sixty-six thousand, seven hundred twenty".