742996451 has 2 divisors, whose sum is σ = 742996452. Its totient is φ = 742996450.

The previous prime is 742996447. The next prime is 742996483. The reversal of 742996451 is 154699247.

742996451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (154699247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742996451 - 2² = 742996447 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 742996396 and 742996405.

It is not a weakly prime, because it can be changed into another prime (742992451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371498225 + 371498226.

It is an arithmetic number, because the mean of its divisors is an integer number (371498226).

Almost surely, 2^742996451 is an apocalyptic number.

742996451 is a deficient number, since it is larger than the sum of its proper divisors (1).

742996451 is an equidigital number, since it uses as much as digits as its factorization.

742996451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 742996451 is about 27257.9612407091. The cubic root of 742996451 is about 905.7233824407.

The spelling of 742996451 in words is "seven hundred forty-two million, nine hundred ninety-six thousand, four hundred fifty-one".