75684612 has 48 divisors (see below), whose sum is σ = 187693632. Its totient is φ = 23654400.

The previous prime is 75684611. The next prime is 75684613. The reversal of 75684612 is 21648657.

It is an interprime number because it is at equal distance from previous prime (75684611) and next prime (75684613).

It is not an unprimeable number, because it can be changed into a prime (75684611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71487 + ... + 72537.

It is an arithmetic number, because the mean of its divisors is an integer number (3910284).

Almost surely, 2^75684612 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 75684612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93846816).

75684612 is an abundant number, since it is smaller than the sum of its proper divisors (112009020).

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

75684612 is a wasteful number, since it uses less digits than its factorization.

75684612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428 (or 1426 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 75684612 is about 8699.6903393167. The cubic root of 75684612 is about 422.9956127395.

The spelling of 75684612 in words is "seventy-five million, six hundred eighty-four thousand, six hundred twelve".