742917163 has 2 divisors, whose sum is σ = 742917164. Its totient is φ = 742917162.

The previous prime is 742917151. The next prime is 742917169. The reversal of 742917163 is 361719247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742917163 - 2⁹ = 742916651 is a prime.

It is a super-2 number, since 2×742917163² = 1103851822159937138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (742917169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371458581 + 371458582.

It is an arithmetic number, because the mean of its divisors is an integer number (371458582).

Almost surely, 2^742917163 is an apocalyptic number.

742917163 is a deficient number, since it is larger than the sum of its proper divisors (1).

742917163 is an equidigital number, since it uses as much as digits as its factorization.

742917163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 40.

The square root of 742917163 is about 27256.5068011292. The cubic root of 742917163 is about 905.6911635563.

The spelling of 742917163 in words is "seven hundred forty-two million, nine hundred seventeen thousand, one hundred sixty-three".