742742633 has 2 divisors, whose sum is σ = 742742634. Its totient is φ = 742742632.

The previous prime is 742742617. The next prime is 742742641. The reversal of 742742633 is 336247247.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608460889 + 134281744 = 24667^2 + 11588^2 .

It is a cyclic number.

It is not a de Polignac number, because 742742633 - 2⁴ = 742742617 is a prime.

It is not a weakly prime, because it can be changed into another prime (742742603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371371316 + 371371317.

It is an arithmetic number, because the mean of its divisors is an integer number (371371317).

Almost surely, 2^742742633 is an apocalyptic number.

It is an amenable number.

742742633 is a deficient number, since it is larger than the sum of its proper divisors (1).

742742633 is an equidigital number, since it uses as much as digits as its factorization.

742742633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 38.

The square root of 742742633 is about 27253.3049922390. The cubic root of 742742633 is about 905.6202347608.

The spelling of 742742633 in words is "seven hundred forty-two million, seven hundred forty-two thousand, six hundred thirty-three".