75133012 has 12 divisors (see below), whose sum is σ = 133963956. Its totient is φ = 36857600.

The previous prime is 75133001. The next prime is 75133027. The reversal of 75133012 is 21033157.

It can be written as a sum of positive squares in 2 ways, for example, as 20757136 + 54375876 = 4556^2 + 7374^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176989 + ... + 177412.

It is an arithmetic number, because the mean of its divisors is an integer number (11163663).

Almost surely, 2^75133012 is an apocalyptic number.

It is an amenable number.

75133012 is a deficient number, since it is larger than the sum of its proper divisors (58830944).

75133012 is a wasteful number, since it uses less digits than its factorization.

75133012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354458 (or 354456 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 75133012 is about 8667.9300873969. The cubic root of 75133012 is about 421.9654891179.

Adding to 75133012 its reverse (21033157), we get a palindrome (96166169).

The spelling of 75133012 in words is "seventy-five million, one hundred thirty-three thousand, twelve".