75427015722 has 16 divisors (see below), whose sum is σ = 151105043712. Its totient is φ = 25100503200.

The previous prime is 75427015721. The next prime is 75427015757. The reversal of 75427015722 is 22751072457.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (75427015721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10454938 + ... + 10462149.

It is an arithmetic number, because the mean of its divisors is an integer number (9444065232).

Almost surely, 2^75427015722 is an apocalyptic number.

75427015722 is an abundant number, since it is smaller than the sum of its proper divisors (75678027990).

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

75427015722 is a wasteful number, since it uses less digits than its factorization.

75427015722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20917693.

The product of its (nonzero) digits is 274400, while the sum is 42.

The spelling of 75427015722 in words is "seventy-five billion, four hundred twenty-seven million, fifteen thousand, seven hundred twenty-two".