75422120 has 16 divisors (see below), whose sum is σ = 169699860. Its totient is φ = 30168832.

The previous prime is 75422117. The next prime is 75422141. The reversal of 75422120 is 2122457.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 75030244 + 391876 = 8662^2 + 626^2 .

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, 942737 + ... + 942816.

Almost surely, 2^75422120 is an apocalyptic number.

It is an amenable number.

75422120 is an abundant number, since it is smaller than the sum of its proper divisors (94277740).

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

75422120 is a wasteful number, since it uses less digits than its factorization.

75422120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1885564 (or 1885560 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 75422120 is about 8684.5909517950. The cubic root of 75422120 is about 422.5060302817.

Adding to 75422120 its reverse (2122457), we get a palindrome (77544577).

The spelling of 75422120 in words is "seventy-five million, four hundred twenty-two thousand, one hundred twenty".