2732730639 has 16 divisors (see below), whose sum is σ = 3806615520. Its totient is φ = 1741577600.

The previous prime is 2732730619. The next prime is 2732730659. The reversal of 2732730639 is 9360372372.

It is an interprime number because it is at equal distance from previous prime (2732730619) and next prime (2732730659).

It is not a de Polignac number, because 2732730639 - 2¹¹ = 2732728591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2732730639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2732730619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146712 + ... + 164285.

It is an arithmetic number, because the mean of its divisors is an integer number (237913470).

Almost surely, 2^2732730639 is an apocalyptic number.

2732730639 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2732730639 is a deficient number, since it is larger than the sum of its proper divisors (1073884881).

2732730639 is a wasteful number, since it uses less digits than its factorization.

2732730639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311130.

The product of its (nonzero) digits is 285768, while the sum is 42.

The square root of 2732730639 is about 52275.5261953431. The cubic root of 2732730639 is about 1398.0808122937.

The spelling of 2732730639 in words is "two billion, seven hundred thirty-two million, seven hundred thirty thousand, six hundred thirty-nine".