10730639 has 2 divisors, whose sum is σ = 10730640. Its totient is φ = 10730638.

The previous prime is 10730633. The next prime is 10730647. The reversal of 10730639 is 93603701.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10730639 is a prime.

It is a super-2 number, since 2×10730639² = 230293226696642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10730633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5365319 + 5365320.

It is an arithmetic number, because the mean of its divisors is an integer number (5365320).

Almost surely, 2^10730639 is an apocalyptic number.

10730639 is a deficient number, since it is larger than the sum of its proper divisors (1).

10730639 is an equidigital number, since it uses as much as digits as its factorization.

10730639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 10730639 is about 3275.7654067408. The cubic root of 10730639 is about 220.5676730735.

The spelling of 10730639 in words is "ten million, seven hundred thirty thousand, six hundred thirty-nine".