2730721435 has 24 divisors (see below), whose sum is σ = 3553092864. Its totient is φ = 2013822720.

The previous prime is 2730721393. The next prime is 2730721451. The reversal of 2730721435 is 5341270372.

It is not a de Polignac number, because 2730721435 - 2¹⁷ = 2730590363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2730721435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 803590 + ... + 806980.

It is an arithmetic number, because the mean of its divisors is an integer number (148045536).

Almost surely, 2^2730721435 is an apocalyptic number.

2730721435 is a deficient number, since it is larger than the sum of its proper divisors (822371429).

2730721435 is a wasteful number, since it uses less digits than its factorization.

2730721435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375 (or 4362 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 2730721435 is about 52256.3052176481. The cubic root of 2730721435 is about 1397.7380881535.

The spelling of 2730721435 in words is "two billion, seven hundred thirty million, seven hundred twenty-one thousand, four hundred thirty-five".