7403505442 has 4 divisors (see below), whose sum is σ = 11105258166. Its totient is φ = 3701752720.

The previous prime is 7403505433. The next prime is 7403505481. The reversal of 7403505442 is 2445053047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2445053047 = 2503 ⋅976849.

It can be written as a sum of positive squares in only one way, i.e., 7089471601 + 314033841 = 84199^2 + 17721^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7403505398 and 7403505407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1850876359 + ... + 1850876362.

Almost surely, 2^7403505442 is an apocalyptic number.

7403505442 is a deficient number, since it is larger than the sum of its proper divisors (3701752724).

7403505442 is a wasteful number, since it uses less digits than its factorization.

7403505442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3701752723.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 7403505442 is about 86043.6252258121. The cubic root of 7403505442 is about 1949.0028162082.

Adding to 7403505442 its reverse (2445053047), we get a palindrome (9848558489).

The spelling of 7403505442 in words is "seven billion, four hundred three million, five hundred five thousand, four hundred forty-two".