75142012 has 48 divisors (see below), whose sum is σ = 153425664. Its totient is φ = 31856000.

The previous prime is 75142007. The next prime is 75142019. The reversal of 75142012 is 21024157.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75142019) 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, 40587 + ... + 42397.

It is an arithmetic number, because the mean of its divisors is an integer number (3196368).

Almost surely, 2^75142012 is an apocalyptic number.

It is an amenable number.

75142012 is an abundant number, since it is smaller than the sum of its proper divisors (78283652).

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

75142012 is a wasteful number, since it uses less digits than its factorization.

75142012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 75142012 is about 8668.4492269379. The cubic root of 75142012 is about 421.9823371837.

Adding to 75142012 its reverse (21024157), we get a palindrome (96166169).

The spelling of 75142012 in words is "seventy-five million, one hundred forty-two thousand, twelve".