743494403 has 2 divisors, whose sum is σ = 743494404. Its totient is φ = 743494402.

The previous prime is 743494397. The next prime is 743494429. The reversal of 743494403 is 304494347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 743494403 - 2⁴ = 743494387 is a prime.

It is a super-4 number, since 4×743494403⁴ (a number of 37 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is equal to p_38385218 and since 743494403 and 38385218 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (743490403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371747201 + 371747202.

It is an arithmetic number, because the mean of its divisors is an integer number (371747202).

Almost surely, 2^743494403 is an apocalyptic number.

743494403 is a deficient number, since it is larger than the sum of its proper divisors (1).

743494403 is an equidigital number, since it uses as much as digits as its factorization.

743494403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 743494403 is about 27267.0937761984. The cubic root of 743494403 is about 905.9256741441.

The spelling of 743494403 in words is "seven hundred forty-three million, four hundred ninety-four thousand, four hundred three".