75107412 has 84 divisors (see below), whose sum is σ = 201986400. Its totient is φ = 24412752.

The previous prime is 75107401. The next prime is 75107429. The reversal of 75107412 is 21470157.

It is a super-2 number, since 2×75107412² = 11282246674675488, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 125089 + ... + 125687.

It is an arithmetic number, because the mean of its divisors is an integer number (2404600).

Almost surely, 2^75107412 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 75107412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100993200).

75107412 is an abundant number, since it is smaller than the sum of its proper divisors (126878988).

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

75107412 is a wasteful number, since it uses less digits than its factorization.

75107412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 75107412 is about 8666.4532537827. The cubic root of 75107412 is about 421.9175583733.

Adding to 75107412 its reverse (21470157), we get a palindrome (96577569).

The spelling of 75107412 in words is "seventy-five million, one hundred seven thousand, four hundred twelve".