7273343842 has 4 divisors (see below), whose sum is σ = 10910015766. Its totient is φ = 3636671920.

The previous prime is 7273343827. The next prime is 7273343881. The reversal of 7273343842 is 2483433727.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2483433727 = 107 ⋅23209661.

It can be written as a sum of positive squares in only one way, i.e., 4534810281 + 2738533561 = 67341^2 + 52331^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1818335959 + ... + 1818335962.

Almost surely, 2^7273343842 is an apocalyptic number.

7273343842 is a deficient number, since it is larger than the sum of its proper divisors (3636671924).

7273343842 is a wasteful number, since it uses less digits than its factorization.

7273343842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636671923.

The product of its digits is 677376, while the sum is 43.

The square root of 7273343842 is about 85283.9014234222. The cubic root of 7273343842 is about 1937.5133622221.

The spelling of 7273343842 in words is "seven billion, two hundred seventy-three million, three hundred forty-three thousand, eight hundred forty-two".