75687696 has 180 divisors, whose sum is σ = 253819072. Its totient is φ = 21415104.

The previous prime is 75687691. The next prime is 75687707. The reversal of 75687696 is 69678657.

It is a happy number.

75687696 is a `hidden beast` number, since 7 + 568 + 76 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75687691) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 734781 + ... + 734883.

Almost surely, 2^75687696 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 75687696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126909536).

75687696 is an abundant number, since it is smaller than the sum of its proper divisors (178131376).

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

75687696 is an equidigital number, since it uses as much as digits as its factorization.

75687696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 115 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 75687696 is about 8699.8675851992. The cubic root of 75687696 is about 423.0013580762.

The spelling of 75687696 in words is "seventy-five million, six hundred eighty-seven thousand, six hundred ninety-six".