742183391 has 2 divisors, whose sum is σ = 742183392. Its totient is φ = 742183390.

The previous prime is 742183363. The next prime is 742183417. The reversal of 742183391 is 193381247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-742183391 is a prime.

It is a super-3 number, since 3×742183391³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742183291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371091695 + 371091696.

It is an arithmetic number, because the mean of its divisors is an integer number (371091696).

Almost surely, 2^742183391 is an apocalyptic number.

742183391 is a deficient number, since it is larger than the sum of its proper divisors (1).

742183391 is an equidigital number, since it uses as much as digits as its factorization.

742183391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 742183391 is about 27243.0429834848. The cubic root of 742183391 is about 905.3928845707.

The spelling of 742183391 in words is "seven hundred forty-two million, one hundred eighty-three thousand, three hundred ninety-one".