2730293821 has 8 divisors (see below), whose sum is σ = 2876664960. Its totient is φ = 2586227952.

The previous prime is 2730293809. The next prime is 2730293831. The reversal of 2730293821 is 1283920372.

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

It is a cyclic number.

It is not a de Polignac number, because 2730293821 - 2¹⁷ = 2730162749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730293801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573886 + ... + 578623.

It is an arithmetic number, because the mean of its divisors is an integer number (359583120).

Almost surely, 2^2730293821 is an apocalyptic number.

It is an amenable number.

2730293821 is a deficient number, since it is larger than the sum of its proper divisors (146371139).

2730293821 is a wasteful number, since it uses less digits than its factorization.

2730293821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152635.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2730293821 is about 52252.2135511980. The cubic root of 2730293821 is about 1397.6651253132.

The spelling of 2730293821 in words is "two billion, seven hundred thirty million, two hundred ninety-three thousand, eight hundred twenty-one".