75323412 has 48 divisors (see below), whose sum is σ = 198609600. Its totient is φ = 24680160.

The previous prime is 75323407. The next prime is 75323431. The reversal of 75323412 is 21432357.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462 + ... + 12282.

It is an arithmetic number, because the mean of its divisors is an integer number (4137700).

Almost surely, 2^75323412 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 75323412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99304800).

75323412 is an abundant number, since it is smaller than the sum of its proper divisors (123286188).

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

75323412 is a wasteful number, since it uses less digits than its factorization.

75323412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11893 (or 11885 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 75323412 is about 8678.9061522752. The cubic root of 75323412 is about 422.3216328660.

Adding to 75323412 its reverse (21432357), we get a palindrome (96755769).

The spelling of 75323412 in words is "seventy-five million, three hundred twenty-three thousand, four hundred twelve".