1490493727 has 2 divisors, whose sum is σ = 1490493728. Its totient is φ = 1490493726.

The previous prime is 1490493713. The next prime is 1490493811. The reversal of 1490493727 is 7273940941.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1490493727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1490493707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745246863 + 745246864.

It is an arithmetic number, because the mean of its divisors is an integer number (745246864).

Almost surely, 2^1490493727 is an apocalyptic number.

1490493727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490493727 is an equidigital number, since it uses as much as digits as its factorization.

1490493727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1490493727 is about 38606.9129431505. The cubic root of 1490493727 is about 1142.2909013118.

The spelling of 1490493727 in words is "one billion, four hundred ninety million, four hundred ninety-three thousand, seven hundred twenty-seven".