75012822 has 12 divisors (see below), whose sum is σ = 162527820. Its totient is φ = 25004268.

The previous prime is 75012811. The next prime is 75012863. The reversal of 75012822 is 22821057.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2083672 + ... + 2083707.

It is an arithmetic number, because the mean of its divisors is an integer number (13543985).

Almost surely, 2^75012822 is an apocalyptic number.

75012822 is an abundant number, since it is smaller than the sum of its proper divisors (87514998).

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

75012822 is a wasteful number, since it uses less digits than its factorization.

75012822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167387 (or 4167384 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 75012822 is about 8660.9942847227. The cubic root of 75012822 is about 421.7403634896.

Adding to 75012822 its reverse (22821057), we get a palindrome (97833879).

The spelling of 75012822 in words is "seventy-five million, twelve thousand, eight hundred twenty-two".