7241790791 has 4 divisors (see below), whose sum is σ = 7241999184. Its totient is φ = 7241582400.

The previous prime is 7241790761. The next prime is 7241790793. The reversal of 7241790791 is 1970971427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1970971427 = 61 ⋅32311007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7241790791 is a prime.

It is a super-2 number, since 2×7241790791² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7241790793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38090 + ... + 126231.

It is an arithmetic number, because the mean of its divisors is an integer number (1810499796).

Almost surely, 2^7241790791 is an apocalyptic number.

7241790791 is a deficient number, since it is larger than the sum of its proper divisors (208393).

7241790791 is a wasteful number, since it uses less digits than its factorization.

7241790791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208392.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 7241790791 is about 85098.7120407824. The cubic root of 7241790791 is about 1934.7075424612.

The spelling of 7241790791 in words is "seven billion, two hundred forty-one million, seven hundred ninety thousand, seven hundred ninety-one".