742377803 has 2 divisors, whose sum is σ = 742377804. Its totient is φ = 742377802.

The previous prime is 742377791. The next prime is 742377809. The reversal of 742377803 is 308773247.

It is a strong prime.

It is an emirp because it is prime and its reverse (308773247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742377803 - 2⁴ = 742377787 is a prime.

It is a super-2 number, since 2×742377803² = 1102249604774213618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (742377809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371188901 + 371188902.

It is an arithmetic number, because the mean of its divisors is an integer number (371188902).

Almost surely, 2^742377803 is an apocalyptic number.

742377803 is a deficient number, since it is larger than the sum of its proper divisors (1).

742377803 is an equidigital number, since it uses as much as digits as its factorization.

742377803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 742377803 is about 27246.6108534621. The cubic root of 742377803 is about 905.4719323625.

The spelling of 742377803 in words is "seven hundred forty-two million, three hundred seventy-seven thousand, eight hundred three".