742279927 has 2 divisors, whose sum is σ = 742279928. Its totient is φ = 742279926.

The previous prime is 742279921. The next prime is 742279957. The reversal of 742279927 is 729972247.

It is a weak prime.

It is an emirp because it is prime and its reverse (729972247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742279927 - 2⁷ = 742279799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742279921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371139963 + 371139964.

It is an arithmetic number, because the mean of its divisors is an integer number (371139964).

Almost surely, 2^742279927 is an apocalyptic number.

742279927 is a deficient number, since it is larger than the sum of its proper divisors (1).

742279927 is an equidigital number, since it uses as much as digits as its factorization.

742279927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 742279927 is about 27244.8146809627. The cubic root of 742279927 is about 905.4321377703.

The spelling of 742279927 in words is "seven hundred forty-two million, two hundred seventy-nine thousand, nine hundred twenty-seven".