7342011821 has 8 divisors (see below), whose sum is σ = 7581657600. Its totient is φ = 7102541520.

The previous prime is 7342011811. The next prime is 7342011827. The reversal of 7342011821 is 1281102437.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7342011821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7342011827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44000 + ... + 128918.

It is an arithmetic number, because the mean of its divisors is an integer number (947707200).

Almost surely, 2^7342011821 is an apocalyptic number.

It is an amenable number.

7342011821 is a deficient number, since it is larger than the sum of its proper divisors (239645779).

7342011821 is a wasteful number, since it uses less digits than its factorization.

7342011821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87739.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 7342011821 is about 85685.5403262417. The cubic root of 7342011821 is about 1943.5916583953.

The spelling of 7342011821 in words is "seven billion, three hundred forty-two million, eleven thousand, eight hundred twenty-one".