7475755442 has 4 divisors (see below), whose sum is σ = 11213633166. Its totient is φ = 3737877720.

The previous prime is 7475755433. The next prime is 7475755453. The reversal of 7475755442 is 2445575747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6895475521 + 580279921 = 83039^2 + 24089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1868938859 + ... + 1868938862.

Almost surely, 2^7475755442 is an apocalyptic number.

7475755442 is a deficient number, since it is larger than the sum of its proper divisors (3737877724).

7475755442 is a wasteful number, since it uses less digits than its factorization.

7475755442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737877723.

The product of its digits is 5488000, while the sum is 50.

The square root of 7475755442 is about 86462.4510524655. The cubic root of 7475755442 is about 1955.3223385143.

The spelling of 7475755442 in words is "seven billion, four hundred seventy-five million, seven hundred fifty-five thousand, four hundred forty-two".