749637487 has 2 divisors, whose sum is σ = 749637488. Its totient is φ = 749637486.

The previous prime is 749637467. The next prime is 749637523. The reversal of 749637487 is 784736947.

It is a weak prime.

It is an emirp because it is prime and its reverse (784736947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 749637487 - 2⁷ = 749637359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749637407) 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 as a sum of consecutive naturals, namely, 374818743 + 374818744.

It is an arithmetic number, because the mean of its divisors is an integer number (374818744).

Almost surely, 2^749637487 is an apocalyptic number.

749637487 is a deficient number, since it is larger than the sum of its proper divisors (1).

749637487 is an equidigital number, since it uses as much as digits as its factorization.

749637487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 55.

The square root of 749637487 is about 27379.5085237117. The cubic root of 749637487 is about 908.4138884164.

The spelling of 749637487 in words is "seven hundred forty-nine million, six hundred thirty-seven thousand, four hundred eighty-seven".