7291741042 has 4 divisors (see below), whose sum is σ = 10937611566. Its totient is φ = 3645870520.

The previous prime is 7291741033. The next prime is 7291741057. The reversal of 7291741042 is 2401471927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2401471927 = 1213 ⋅1979779.

It can be written as a sum of positive squares in only one way, i.e., 5593394521 + 1698346521 = 74789^2 + 41211^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7291740992 and 7291741010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822935259 + ... + 1822935262.

Almost surely, 2^7291741042 is an apocalyptic number.

7291741042 is a deficient number, since it is larger than the sum of its proper divisors (3645870524).

7291741042 is a wasteful number, since it uses less digits than its factorization.

7291741042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645870523.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7291741042 is about 85391.6918792455. The cubic root of 7291741042 is about 1939.1455692885.

The spelling of 7291741042 in words is "seven billion, two hundred ninety-one million, seven hundred forty-one thousand, forty-two".