75442722 has 16 divisors (see below), whose sum is σ = 151300992. Its totient is φ = 25078320.

The previous prime is 75442687. The next prime is 75442727. The reversal of 75442722 is 22724457.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75442727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14929 + ... + 19332.

It is an arithmetic number, because the mean of its divisors is an integer number (9456312).

Almost surely, 2^75442722 is an apocalyptic number.

75442722 is an abundant number, since it is smaller than the sum of its proper divisors (75858270).

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

75442722 is a wasteful number, since it uses less digits than its factorization.

75442722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34633.

The product of its digits is 31360, while the sum is 33.

The square root of 75442722 is about 8685.7769946045. The cubic root of 75442722 is about 422.5444967899.

The spelling of 75442722 in words is "seventy-five million, four hundred forty-two thousand, seven hundred twenty-two".