742498481 has 2 divisors, whose sum is σ = 742498482. Its totient is φ = 742498480.

The previous prime is 742498457. The next prime is 742498529. The reversal of 742498481 is 184894247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 721191025 + 21307456 = 26855^2 + 4616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742498481 is a prime.

It is a super-2 number, since 2×742498481² = 1102607988574614722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (742498451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371249240 + 371249241.

It is an arithmetic number, because the mean of its divisors is an integer number (371249241).

Almost surely, 2^742498481 is an apocalyptic number.

It is an amenable number.

742498481 is a deficient number, since it is larger than the sum of its proper divisors (1).

742498481 is an equidigital number, since it uses as much as digits as its factorization.

742498481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 47.

The square root of 742498481 is about 27248.8253141305. The cubic root of 742498481 is about 905.5209930165.

The spelling of 742498481 in words is "seven hundred forty-two million, four hundred ninety-eight thousand, four hundred eighty-one".