703042042 has 4 divisors (see below), whose sum is σ = 1054563066. Its totient is φ = 351521020.

The previous prime is 703042007. The next prime is 703042051. The reversal of 703042042 is 240240307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240240307 = 1093 ⋅219799.

It can be written as a sum of positive squares in only one way, i.e., 435097881 + 267944161 = 20859^2 + 16369^2 .

It is a super-2 number, since 2×703042042² = 988536225639059528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175760509 + ... + 175760512.

Almost surely, 2^703042042 is an apocalyptic number.

703042042 is a deficient number, since it is larger than the sum of its proper divisors (351521024).

703042042 is a wasteful number, since it uses less digits than its factorization.

703042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351521023.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 703042042 is about 26514.9399773034. The cubic root of 703042042 is about 889.1883531613.

Adding to 703042042 its reverse (240240307), we get a palindrome (943282349).

The spelling of 703042042 in words is "seven hundred three million, forty-two thousand, forty-two".