7503166442 has 4 divisors (see below), whose sum is σ = 11254749666. Its totient is φ = 3751583220.

The previous prime is 7503166441. The next prime is 7503166459. The reversal of 7503166442 is 2446613057.

It is a happy number.

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., 6673092721 + 830073721 = 81689^2 + 28811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7503166396 and 7503166405.

It is not an unprimeable number, because it can be changed into a prime (7503166441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875791609 + ... + 1875791612.

Almost surely, 2^7503166442 is an apocalyptic number.

7503166442 is a deficient number, since it is larger than the sum of its proper divisors (3751583224).

7503166442 is a wasteful number, since it uses less digits than its factorization.

7503166442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751583223.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 7503166442 is about 86620.8199106889. The cubic root of 7503166442 is about 1957.7092529668.

Adding to 7503166442 its reverse (2446613057), we get a palindrome (9949779499).

The spelling of 7503166442 in words is "seven billion, five hundred three million, one hundred sixty-six thousand, four hundred forty-two".