742499 has 2 divisors, whose sum is σ = 742500. Its totient is φ = 742498.

The previous prime is 742457. The next prime is 742507. The reversal of 742499 is 994247.

742499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (994247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742499 - 2⁸ = 742243 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371249 + 371250.

It is an arithmetic number, because the mean of its divisors is an integer number (371250).

2⁷⁴²⁴⁹⁹ is an apocalyptic number.

742499 is a deficient number, since it is larger than the sum of its proper divisors (1).

742499 is an equidigital number, since it uses as much as digits as its factorization.

742499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 742499 is about 861.6838167217. The cubic root of 742499 is about 90.5521204000.

The spelling of 742499 in words is "seven hundred forty-two thousand, four hundred ninety-nine".