76455648 has 36 divisors (see below), whose sum is σ = 217421568. Its totient is φ = 25485120.

The previous prime is 76455623. The next prime is 76455649. The reversal of 76455648 is 84655467.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×76455648² = 11690932222199808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76455649) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 132448 + ... + 133023.

It is an arithmetic number, because the mean of its divisors is an integer number (6039488).

Almost surely, 2^76455648 is an apocalyptic number.

It is an amenable number.

76455648 is an abundant number, since it is smaller than the sum of its proper divisors (140965920).

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

76455648 is a wasteful number, since it uses less digits than its factorization.

76455648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265487 (or 265476 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 76455648 is about 8743.8920395897. The cubic root of 76455648 is about 424.4271830883.

The spelling of 76455648 in words is "seventy-six million, four hundred fifty-five thousand, six hundred forty-eight".