75678912 has 168 divisors, whose sum is σ = 230373936. Its totient is φ = 23721984.

The previous prime is 75678899. The next prime is 75678913. The reversal of 75678912 is 21987657.

75678912 is a `hidden beast` number, since 7 + 567 + 89 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (75678913) 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, 1129503 + ... + 1129569.

Almost surely, 2^75678912 is an apocalyptic number.

75678912 is a gapful number since it is divisible by the number (72) 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 75678912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115186968).

75678912 is an abundant number, since it is smaller than the sum of its proper divisors (154695024).

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

75678912 is a wasteful number, since it uses less digits than its factorization.

75678912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 162 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 75678912 is about 8699.3627352812. The cubic root of 75678912 is about 422.9849935155.

The spelling of 75678912 in words is "seventy-five million, six hundred seventy-eight thousand, nine hundred twelve".