2730391522 has 16 divisors (see below), whose sum is σ = 4391400960. Its totient is φ = 1268624448.

The previous prime is 2730391507. The next prime is 2730391529. The reversal of 2730391522 is 2251930372.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2730391529) 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, 505578 + ... + 510949.

It is an arithmetic number, because the mean of its divisors is an integer number (274462560).

Almost surely, 2^2730391522 is an apocalyptic number.

2730391522 is a deficient number, since it is larger than the sum of its proper divisors (1661009438).

2730391522 is a wasteful number, since it uses less digits than its factorization.

2730391522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016625.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 2730391522 is about 52253.1484410270. The cubic root of 2730391522 is about 1397.6817964923.

The spelling of 2730391522 in words is "two billion, seven hundred thirty million, three hundred ninety-one thousand, five hundred twenty-two".