742897499 has 2 divisors, whose sum is σ = 742897500. Its totient is φ = 742897498.

The previous prime is 742897487. The next prime is 742897513. The reversal of 742897499 is 994798247.

It is a weak prime.

It is an emirp because it is prime and its reverse (994798247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742897499 - 2⁴ = 742897483 is a prime.

It is not a weakly prime, because it can be changed into another prime (742897459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371448749 + 371448750.

It is an arithmetic number, because the mean of its divisors is an integer number (371448750).

Almost surely, 2^742897499 is an apocalyptic number.

742897499 is a deficient number, since it is larger than the sum of its proper divisors (1).

742897499 is an equidigital number, since it uses as much as digits as its factorization.

742897499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 59.

The square root of 742897499 is about 27256.1460775363. The cubic root of 742897499 is about 905.6831726842.

The spelling of 742897499 in words is "seven hundred forty-two million, eight hundred ninety-seven thousand, four hundred ninety-nine".